Total of 3589 Questions.
Share To Friends Via:
Questions Categories:
1. 
You intend to carry out a field study on soils within school vicinity, name three properties of soil you are likely to identify.
(Answered)
You intend to carry out a field study on soils within school vicinity, name three properties of soil you are likely to identify. .
Posted On:Sat 6, March 2021 20:07:37 pm
You intend to carry out a field study on soils within school vicinity, name three properties of soil you are likely to identify.
(Answered)You intend to carry out a field study on soils within school vicinity, name three properties of soil you are likely to identify. .
Posted On:Sat 6, March 2021 20:07:37 pm
2. You intend to carry out a field study on soils within school vicinity, state three methods of data collection you would use
(Answered)
You intend to carry out a field study on soils within school vicinity, state three methods of data collection you would use .
Posted On:Sat 6, March 2021 20:05:25 pm
You intend to carry out a field study on soils within school vicinity, state three methods of data collection you would use
(Answered)You intend to carry out a field study on soils within school vicinity, state three methods of data collection you would use .
Posted On:Sat 6, March 2021 20:05:25 pm
3. Outline the characteristics of Chernozen and Latosols
(Answered)
Outline the characteristics of Chernozen and Latosols .
Posted On:Sat 6, March 2021 20:02:47 pm
Outline the characteristics of Chernozen and Latosols
(Answered)Outline the characteristics of Chernozen and Latosols .
Posted On:Sat 6, March 2021 20:02:47 pm
4. State three types of intrazonal soils (Answered)
State three types of intrazonal soils .
Posted On:Sat 6, March 2021 19:59:44 pm
State three types of intrazonal soils (Answered)State three types of intrazonal soils .
Posted On:Sat 6, March 2021 19:59:44 pm
5. State three factors that contribute to soil leaching (Answered)
State three factors that contribute to soil leaching .
Posted On:Sat 6, March 2021 19:58:22 pm
State three factors that contribute to soil leaching (Answered)State three factors that contribute to soil leaching .
Posted On:Sat 6, March 2021 19:58:22 pm
6. What is soil leaching? (Answered)
What is soil leaching? .
Posted On:Sat 6, March 2021 19:56:43 pm
What is soil leaching? (Answered)What is soil leaching? .
Posted On:Sat 6, March 2021 19:56:43 pm
7. You plan to carry a field study on a river in its youthful stage, list two problems you may experience during the study
(Answered)
You plan to carry a field study on a river in its youthful stage, list two problems you may experience during the study .
Posted On:Sat 6, March 2021 19:54:40 pm
You plan to carry a field study on a river in its youthful stage, list two problems you may experience during the study
(Answered)You plan to carry a field study on a river in its youthful stage, list two problems you may experience during the study .
Posted On:Sat 6, March 2021 19:54:40 pm
8. You plan to carry a field study on a river in its youthful stage, list two features you are likely to identify during the study (Answered)
You plan to carry a field study on a river in its youthful stage, list two features you are likely to identify during the study .
Posted On:Sat 6, March 2021 19:52:04 pm
You plan to carry a field study on a river in its youthful stage, list two features you are likely to identify during the study (Answered)You plan to carry a field study on a river in its youthful stage, list two features you are likely to identify during the study .
Posted On:Sat 6, March 2021 19:52:04 pm
9. You plan to carry a field study on a river in its youthful stage, state two reasons why you would need to prepare a working schedule
(Answered)
You plan to carry a field study on a river in its youthful stage, state two reasons why you would need to prepare a working schedule .
Posted On:Sat 6, March 2021 19:49:29 pm
You plan to carry a field study on a river in its youthful stage, state two reasons why you would need to prepare a working schedule
(Answered)You plan to carry a field study on a river in its youthful stage, state two reasons why you would need to prepare a working schedule .
Posted On:Sat 6, March 2021 19:49:29 pm
10. Describe the following drainage patterns
i)Trellis drainage
ii) Dendritic drainage pattern (Answered)
Describe the following drainage patterns i)Trellis drainage ii) Dendritic drainage pattern .
Posted On:Sat 6, March 2021 19:44:31 pm
Describe the following drainage patterns
i)Trellis drainage
ii) Dendritic drainage pattern (Answered)Describe the following drainage patterns i)Trellis drainage ii) Dendritic drainage pattern .
Posted On:Sat 6, March 2021 19:44:31 pm
11. State three factors the determine the rate of river erosion
(Answered)
State three factors the determine the rate of river erosion .
Posted On:Sat 6, March 2021 19:38:31 pm
State three factors the determine the rate of river erosion
(Answered)State three factors the determine the rate of river erosion .
Posted On:Sat 6, March 2021 19:38:31 pm
12. List three types of river erosion
(Answered)
List three types of river erosion .
Posted On:Sat 6, March 2021 19:36:45 pm
List three types of river erosion
(Answered)List three types of river erosion .
Posted On:Sat 6, March 2021 19:36:45 pm
13. State two benefits of the hydrological cycle. (Answered)
State two benefits of the hydrological cycle. .
Posted On:Sat 6, March 2021 19:33:46 pm
State two benefits of the hydrological cycle. (Answered)State two benefits of the hydrological cycle. .
Posted On:Sat 6, March 2021 19:33:46 pm
14. Draw a well labelled diagram of the hydrological cycle (Answered)
Draw a well labelled diagram of the hydrological cycle .
Posted On:Sat 6, March 2021 19:30:44 pm
Draw a well labelled diagram of the hydrological cycle (Answered)Draw a well labelled diagram of the hydrological cycle .
Posted On:Sat 6, March 2021 19:30:44 pm
15. Suppose you were to carry a field study on vegetation on mt. Kenya, give two uses of mountain vegetation you are likely to study about. (Answered)
Suppose you were to carry a field study on vegetation on mt. Kenya, give two uses of mountain vegetation you are likely to study about. .
Posted On:Sat 6, March 2021 19:26:09 pm
Suppose you were to carry a field study on vegetation on mt. Kenya, give two uses of mountain vegetation you are likely to study about. (Answered)Suppose you were to carry a field study on vegetation on mt. Kenya, give two uses of mountain vegetation you are likely to study about. .
Posted On:Sat 6, March 2021 19:26:09 pm
16. Suppose you were to carry a field study on vegetation on mt. Kenya, list two methods you would use to record data (Answered)
Suppose you were to carry a field study on vegetation on mt. Kenya, list two methods you would use to record data .
Posted On:Sat 6, March 2021 19:22:39 pm
Suppose you were to carry a field study on vegetation on mt. Kenya, list two methods you would use to record data (Answered)Suppose you were to carry a field study on vegetation on mt. Kenya, list two methods you would use to record data .
Posted On:Sat 6, March 2021 19:22:39 pm
17. Suppose you were to carry a field study on vegetation on mt. Kenya, state threes objectives you would formulate for the study
(Answered)
Suppose you were to carry a field study on vegetation on mt. Kenya, state threes objectives you would formulate for the study .
Posted On:Sat 6, March 2021 19:19:45 pm
Suppose you were to carry a field study on vegetation on mt. Kenya, state threes objectives you would formulate for the study
(Answered)Suppose you were to carry a field study on vegetation on mt. Kenya, state threes objectives you would formulate for the study .
Posted On:Sat 6, March 2021 19:19:45 pm
18. State two problems associated with exploitation of tropical rain forest (Answered)
State two problems associated with exploitation of tropical rain forest .
Posted On:Sat 6, March 2021 19:14:24 pm
State two problems associated with exploitation of tropical rain forest (Answered)State two problems associated with exploitation of tropical rain forest .
Posted On:Sat 6, March 2021 19:14:24 pm
19. Describe three characteristics of tropical vegetation (Answered)
Describe three characteristics of tropical vegetation .
Posted On:Sat 6, March 2021 19:12:04 pm
Describe three characteristics of tropical vegetation (Answered)Describe three characteristics of tropical vegetation .
Posted On:Sat 6, March 2021 19:12:04 pm
20. State two major vegetation regions or zones of Kenya. (Answered)
State two major vegetation regions or zones of Kenya. .
Posted On:Sat 6, March 2021 19:07:43 pm
State two major vegetation regions or zones of Kenya. (Answered)State two major vegetation regions or zones of Kenya. .
Posted On:Sat 6, March 2021 19:07:43 pm
21. Explain three factors influencing the distribution of vegetation in Kenya. (Answered)
Explain three factors influencing the distribution of vegetation in Kenya. .
Posted On:Sat 6, March 2021 19:04:59 pm
Explain three factors influencing the distribution of vegetation in Kenya. (Answered)Explain three factors influencing the distribution of vegetation in Kenya. .
Posted On:Sat 6, March 2021 19:04:59 pm
22. You intend to go for a field study to a region where folding has occurred identify two methods you would use to record the data.
(Answered)
You intend to go for a field study to a region where folding has occurred identify two methods you would use to record the data. .
Posted On:Sat 6, March 2021 18:58:38 pm
You intend to go for a field study to a region where folding has occurred identify two methods you would use to record the data.
(Answered)You intend to go for a field study to a region where folding has occurred identify two methods you would use to record the data. .
Posted On:Sat 6, March 2021 18:58:38 pm
23. You intend to go for a field study to a region where folding has occurred
State three reasons why you would conduct a pre-visit
(Answered)
You intend to go for a field study to a region where folding has occurred State three reasons why you would conduct a pre-visit .
Posted On:Sat 6, March 2021 18:56:09 pm
You intend to go for a field study to a region where folding has occurred
State three reasons why you would conduct a pre-visit
(Answered)You intend to go for a field study to a region where folding has occurred State three reasons why you would conduct a pre-visit .
Posted On:Sat 6, March 2021 18:56:09 pm
24. Explain three positive effects of folding on the physical and human environment (Answered)
Explain three positive effects of folding on the physical and human environment .
Posted On:Sat 6, March 2021 18:48:49 pm
Explain three positive effects of folding on the physical and human environment (Answered)Explain three positive effects of folding on the physical and human environment .
Posted On:Sat 6, March 2021 18:48:49 pm
25. With the aid of a well labelled diagrams, describe how a fold mountain is formed.
(Answered)
With the aid of a well labelled diagrams, describe how a fold mountain is formed. .
Posted On:Sat 6, March 2021 18:44:46 pm
With the aid of a well labelled diagrams, describe how a fold mountain is formed.
(Answered)With the aid of a well labelled diagrams, describe how a fold mountain is formed. .
Posted On:Sat 6, March 2021 18:44:46 pm
26. Name two fold mountains in the alpine Orogeny (Answered)
Name two fold mountains in the alpine Orogeny .
Posted On:Sat 6, March 2021 18:33:12 pm
Name two fold mountains in the alpine Orogeny (Answered)Name two fold mountains in the alpine Orogeny .
Posted On:Sat 6, March 2021 18:33:12 pm
27. Using well labelled diagrams, distinguish between a simple symmetrical fold and an asymmetrical fold (Answered)
Using well labelled diagrams, distinguish between a simple symmetrical fold and an asymmetrical fold .
Posted On:Sat 6, March 2021 18:29:10 pm
Using well labelled diagrams, distinguish between a simple symmetrical fold and an asymmetrical fold (Answered)Using well labelled diagrams, distinguish between a simple symmetrical fold and an asymmetrical fold .
Posted On:Sat 6, March 2021 18:29:10 pm
28. Give three reasons why some rift-valley lakes are saline.
(Answered)
Give three reasons why some rift-valley lakes are saline. .
Posted On:Sat 6, March 2021 18:15:33 pm
Give three reasons why some rift-valley lakes are saline.
(Answered)Give three reasons why some rift-valley lakes are saline. .
Posted On:Sat 6, March 2021 18:15:33 pm
29. State two negative effects of weathering (Answered)
State two negative effects of weathering .
Posted On:Sat 6, March 2021 18:10:55 pm
State two negative effects of weathering (Answered)State two negative effects of weathering .
Posted On:Sat 6, March 2021 18:10:55 pm
30. Study the feature below and use it to answer the question that follows:
a) i)Name the feature
ii)Name the type of weathering that led to the formation of the feature above
iii) State three conditions necessary for the formation of the feature above (Answered)
Study the feature below and use it to answer the question that follows: a) i)Name the feature ii)Name the type of weathering that led to the formation of the feature above iii) State three conditions necessary for the formation of the feature above .
Posted On:Sat 6, March 2021 18:08:08 pm
Study the feature below and use it to answer the question that follows:
a) i)Name the feature
ii)Name the type of weathering that led to the formation of the feature above
iii) State three conditions necessary for the formation of the feature above (Answered)Study the feature below and use it to answer the question that follows: a) i)Name the feature ii)Name the type of weathering that led to the formation of the feature above iii) State three conditions necessary for the formation of the feature above .
Posted On:Sat 6, March 2021 18:08:08 pm
31. List two features resulting from horizontal earth movements (Answered)
List two features resulting from horizontal earth movements .
Posted On:Sat 6, March 2021 17:57:53 pm
List two features resulting from horizontal earth movements (Answered)List two features resulting from horizontal earth movements .
Posted On:Sat 6, March 2021 17:57:53 pm
32. State three causes of earth movements (Answered)
State three causes of earth movements .
Posted On:Sat 6, March 2021 17:55:14 pm
State three causes of earth movements (Answered)State three causes of earth movements .
Posted On:Sat 6, March 2021 17:55:14 pm
33. State three factors that are considered when citing a weather station. (Answered)
State three factors that are considered when citing a weather station. .
Posted On:Sat 6, March 2021 17:52:41 pm
State three factors that are considered when citing a weather station. (Answered)State three factors that are considered when citing a weather station. .
Posted On:Sat 6, March 2021 17:52:41 pm
34. Differentiate between weather and climate (Answered)
Differentiate between weather and climate .
Posted On:Sat 6, March 2021 17:50:38 pm
Differentiate between weather and climate (Answered)Differentiate between weather and climate .
Posted On:Sat 6, March 2021 17:50:38 pm
35. Explain factors that influence soil formation (Answered)
Explain factors that influence soil formation .
Posted On:Sat 6, March 2021 17:43:56 pm
Explain factors that influence soil formation (Answered)Explain factors that influence soil formation .
Posted On:Sat 6, March 2021 17:43:56 pm
36. State three planets that have satellites (Answered)
State three planets that have satellites .
Posted On:Sat 6, March 2021 17:41:16 pm
State three planets that have satellites (Answered)State three planets that have satellites .
Posted On:Sat 6, March 2021 17:41:16 pm
37. What is a solar system (Answered)
What is a solar system .
Posted On:Sat 6, March 2021 17:39:56 pm
What is a solar system (Answered)What is a solar system .
Posted On:Sat 6, March 2021 17:39:56 pm
38. The following tests were carried out on three separate portions of a colourless solution R.
(a) From the information in test (i), name a cation which is not present in solution
(b) Identify a cation, which is likely to be present in solution S
(c) Write an ionic equation for the reaction which takes place in test(ii) (Answered)
The following tests were carried out on three separate portions of a colourless solution R. (a) From the information in test (i), name a cation which is not present in solution (b) Identify a cation, which is likely to be present in solution S (c) Write an ionic equation for the reaction which takes place in test(ii) .
Posted On:Sat 6, March 2021 14:51:34 pm
The following tests were carried out on three separate portions of a colourless solution R.
(a) From the information in test (i), name a cation which is not present in solution
(b) Identify a cation, which is likely to be present in solution S
(c) Write an ionic equation for the reaction which takes place in test(ii) (Answered)The following tests were carried out on three separate portions of a colourless solution R. (a) From the information in test (i), name a cation which is not present in solution (b) Identify a cation, which is likely to be present in solution S (c) Write an ionic equation for the reaction which takes place in test(ii) .
Posted On:Sat 6, March 2021 14:51:34 pm
39. a) What method can be used to separate a mixture of ethanol and propanol?
(b) (i) Explain how a solid mixture of sulphur and sodium chloride can be separated into solid sulphur and solid sodium chloride.
(ii) How can one determine if the solid sulphur is pure?
(c) The table below gives the solubilities of potassium bromide and potassium sulphate at #0^0C# and #40^0C#
(Answered)
a) What method can be used to separate a mixture of ethanol and propanol? (b) (i) Explain how a solid mixture of sulphur and sodium chloride can be separated into solid sulphur and solid sodium chloride. (ii) How can one determine if the solid sulphur is pure? (c) The table below gives the solubilities of potassium bromide and potassium sulphate at #0^0C# and #40^0C# .
Posted On:Sat 6, March 2021 14:45:22 pm
a) What method can be used to separate a mixture of ethanol and propanol?
(b) (i) Explain how a solid mixture of sulphur and sodium chloride can be separated into solid sulphur and solid sodium chloride.
(ii) How can one determine if the solid sulphur is pure?
(c) The table below gives the solubilities of potassium bromide and potassium sulphate at #0^0C# and #40^0C#
(Answered)a) What method can be used to separate a mixture of ethanol and propanol? (b) (i) Explain how a solid mixture of sulphur and sodium chloride can be separated into solid sulphur and solid sodium chloride. (ii) How can one determine if the solid sulphur is pure? (c) The table below gives the solubilities of potassium bromide and potassium sulphate at #0^0C# and #40^0C# .
Posted On:Sat 6, March 2021 14:45:22 pm
40. a) Study the information in the table below and answer the questions that follow. (the letter do not represent the actual symbols of the elements)
(i) What is the general name to the group in which elements P,Q, and R belong?
(ii) What is meant by ionization energy?
iii) Explain why element P have the highest ionization energy.
(iv) When a piece of element Q is placed on water it melts and a (Answered)
a) Study the information in the table below and answer the questions that follow. (the letter do not represent the actual symbols of the elements) (i) What is the general name to the group in which elements P,Q, and R belong? (ii) What is meant by ionization energy? iii) Explain why element P have the highest ionization energy. (iv) When a piece of element Q is placed on water it melts and a .
Posted On:Sat 6, March 2021 14:21:38 pm
a) Study the information in the table below and answer the questions that follow. (the letter do not represent the actual symbols of the elements)
(i) What is the general name to the group in which elements P,Q, and R belong?
(ii) What is meant by ionization energy?
iii) Explain why element P have the highest ionization energy.
(iv) When a piece of element Q is placed on water it melts and a (Answered)a) Study the information in the table below and answer the questions that follow. (the letter do not represent the actual symbols of the elements) (i) What is the general name to the group in which elements P,Q, and R belong? (ii) What is meant by ionization energy? iii) Explain why element P have the highest ionization energy. (iv) When a piece of element Q is placed on water it melts and a .
Posted On:Sat 6, March 2021 14:21:38 pm
41. How does distillation remove hardness from water (Answered)
How does distillation remove hardness from water .
Posted On:Sat 6, March 2021 14:02:23 pm
How does distillation remove hardness from water (Answered)How does distillation remove hardness from water .
Posted On:Sat 6, March 2021 14:02:23 pm
42. State one cause of temporary hardness in water (Answered)
State one cause of temporary hardness in water .
Posted On:Sat 6, March 2021 14:01:36 pm
State one cause of temporary hardness in water (Answered)State one cause of temporary hardness in water .
Posted On:Sat 6, March 2021 14:01:36 pm
43. a) A student was supplied with colourless liquid suspected to be water.
(i) Describe two chemical test that could have been used to show that liquid was water.
(ii) How could it have been shown that liquid was pure water? (Answered)
a) A student was supplied with colourless liquid suspected to be water. (i) Describe two chemical test that could have been used to show that liquid was water. (ii) How could it have been shown that liquid was pure water? .
Posted On:Sat 6, March 2021 13:59:51 pm
a) A student was supplied with colourless liquid suspected to be water.
(i) Describe two chemical test that could have been used to show that liquid was water.
(ii) How could it have been shown that liquid was pure water? (Answered)a) A student was supplied with colourless liquid suspected to be water. (i) Describe two chemical test that could have been used to show that liquid was water. (ii) How could it have been shown that liquid was pure water? .
Posted On:Sat 6, March 2021 13:59:51 pm
44. Sample solutions of salts were labeled as I, II, III and IV. The actual solutions, not in that order , are lead nitrate, zinc sulphate, potassium chloride and calcium chloride.
(a) When aqueous sodium carbonate was added to each sample separately, a white precipitate was formed in I, III and IV
only. Identify solution II.
(b) When excess aqueous sodium was added to each sample separately, a white (Answered)
Sample solutions of salts were labeled as I, II, III and IV. The actual solutions, not in that order , are lead nitrate, zinc sulphate, potassium chloride and calcium chloride. (a) When aqueous sodium carbonate was added to each sample separately, a white precipitate was formed in I, III and IV only. Identify solution II. (b) When excess aqueous sodium was added to each sample separately, a white .
Posted On:Sat 6, March 2021 13:56:02 pm
Sample solutions of salts were labeled as I, II, III and IV. The actual solutions, not in that order , are lead nitrate, zinc sulphate, potassium chloride and calcium chloride.
(a) When aqueous sodium carbonate was added to each sample separately, a white precipitate was formed in I, III and IV
only. Identify solution II.
(b) When excess aqueous sodium was added to each sample separately, a white (Answered)Sample solutions of salts were labeled as I, II, III and IV. The actual solutions, not in that order , are lead nitrate, zinc sulphate, potassium chloride and calcium chloride. (a) When aqueous sodium carbonate was added to each sample separately, a white precipitate was formed in I, III and IV only. Identify solution II. (b) When excess aqueous sodium was added to each sample separately, a white .
Posted On:Sat 6, March 2021 13:56:02 pm
45. The table below shows the tests carried out on separate samples of water drawn from a well and the results obtained.
(a) Identify the cation and the anion present in the water.
(b) Write an ionic equation for the reaction which takes place in test (iii) (Answered)
The table below shows the tests carried out on separate samples of water drawn from a well and the results obtained. (a) Identify the cation and the anion present in the water. (b) Write an ionic equation for the reaction which takes place in test (iii) .
Posted On:Sat 6, March 2021 13:48:37 pm
The table below shows the tests carried out on separate samples of water drawn from a well and the results obtained.
(a) Identify the cation and the anion present in the water.
(b) Write an ionic equation for the reaction which takes place in test (iii) (Answered)The table below shows the tests carried out on separate samples of water drawn from a well and the results obtained. (a) Identify the cation and the anion present in the water. (b) Write an ionic equation for the reaction which takes place in test (iii) .
Posted On:Sat 6, March 2021 13:48:37 pm
46. When solid magnesium carbonate was added to a solution of hydrogen chloride in methylbenzene, there was no apparent reaction. On addition of water to the resulting mixture, there was vigorous effervescence. Explain these observations. (Answered)
When solid magnesium carbonate was added to a solution of hydrogen chloride in methylbenzene, there was no apparent reaction. On addition of water to the resulting mixture, there was vigorous effervescence. Explain these observations. .
Posted On:Sat 6, March 2021 13:31:59 pm
When solid magnesium carbonate was added to a solution of hydrogen chloride in methylbenzene, there was no apparent reaction. On addition of water to the resulting mixture, there was vigorous effervescence. Explain these observations. (Answered)When solid magnesium carbonate was added to a solution of hydrogen chloride in methylbenzene, there was no apparent reaction. On addition of water to the resulting mixture, there was vigorous effervescence. Explain these observations. .
Posted On:Sat 6, March 2021 13:31:59 pm
47. State and explain one disadvantage of using hard water in boilers. (Answered)
State and explain one disadvantage of using hard water in boilers. .
Posted On:Sat 6, March 2021 13:30:35 pm
State and explain one disadvantage of using hard water in boilers. (Answered)State and explain one disadvantage of using hard water in boilers. .
Posted On:Sat 6, March 2021 13:30:35 pm
48. The table below shows the solubility of a salt at various temperatures
What would happen if a sample of a saturated solution of the salt at #40^0#C is heated to #80^0#C? Explain (Answered)
The table below shows the solubility of a salt at various temperatures What would happen if a sample of a saturated solution of the salt at #40^0#C is heated to #80^0#C? Explain .
Posted On:Sat 6, March 2021 13:27:46 pm
The table below shows the solubility of a salt at various temperatures
What would happen if a sample of a saturated solution of the salt at #40^0#C is heated to #80^0#C? Explain (Answered)The table below shows the solubility of a salt at various temperatures What would happen if a sample of a saturated solution of the salt at #40^0#C is heated to #80^0#C? Explain .
Posted On:Sat 6, March 2021 13:27:46 pm
49. The column below was used to soften hard water
(i) Explain how hard water was soften as it passed through the column.
(ii) After sometime the material in the column is not able to soften hard water. How can the material be reactivated?
(b) Give one advantage of using hard water for domestic purposes. (Answered)
The column below was used to soften hard water (i) Explain how hard water was soften as it passed through the column. (ii) After sometime the material in the column is not able to soften hard water. How can the material be reactivated? (b) Give one advantage of using hard water for domestic purposes. .
Posted On:Sat 6, March 2021 13:07:10 pm
The column below was used to soften hard water
(i) Explain how hard water was soften as it passed through the column.
(ii) After sometime the material in the column is not able to soften hard water. How can the material be reactivated?
(b) Give one advantage of using hard water for domestic purposes. (Answered)The column below was used to soften hard water (i) Explain how hard water was soften as it passed through the column. (ii) After sometime the material in the column is not able to soften hard water. How can the material be reactivated? (b) Give one advantage of using hard water for domestic purposes. .
Posted On:Sat 6, March 2021 13:07:10 pm
50. A bee-keeper found that when stung by a bee, application of a little solution of sodium hydrogen carbonate helped to relieve the irritation from the affected area. Explain. (Answered)
A bee-keeper found that when stung by a bee, application of a little solution of sodium hydrogen carbonate helped to relieve the irritation from the affected area. Explain. .
Posted On:Sat 6, March 2021 12:44:06 pm
A bee-keeper found that when stung by a bee, application of a little solution of sodium hydrogen carbonate helped to relieve the irritation from the affected area. Explain. (Answered)A bee-keeper found that when stung by a bee, application of a little solution of sodium hydrogen carbonate helped to relieve the irritation from the affected area. Explain. .
Posted On:Sat 6, March 2021 12:44:06 pm
Page 69 of 72
