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1. 
In an experiment, carbon (IV) oxide gas was passed over heated charcoal
and the gas produced collected as shown in the diagram below.
i) Write an equation for the reaction that took place in the combustion tube.
(ii) Name another substance that can be used instead of sodium hydroxide.
(iii) Describe a simple chemical test that can be used to distinguish
between carbon (IV) oxide and carbon (II) (Answered)
In an experiment, carbon (IV) oxide gas was passed over heated charcoal and the gas produced collected as shown in the diagram below. i) Write an equation for the reaction that took place in the combustion tube. (ii) Name another substance that can be used instead of sodium hydroxide. (iii) Describe a simple chemical test that can be used to distinguish between carbon (IV) oxide and carbon (II) .
Posted On:Thu 11, March 2021 21:10:14 pm
In an experiment, carbon (IV) oxide gas was passed over heated charcoal
and the gas produced collected as shown in the diagram below.
i) Write an equation for the reaction that took place in the combustion tube.
(ii) Name another substance that can be used instead of sodium hydroxide.
(iii) Describe a simple chemical test that can be used to distinguish
between carbon (IV) oxide and carbon (II) (Answered)In an experiment, carbon (IV) oxide gas was passed over heated charcoal and the gas produced collected as shown in the diagram below. i) Write an equation for the reaction that took place in the combustion tube. (ii) Name another substance that can be used instead of sodium hydroxide. (iii) Describe a simple chemical test that can be used to distinguish between carbon (IV) oxide and carbon (II) .
Posted On:Thu 11, March 2021 21:10:14 pm
2. The following diagrams shows the structures of two allotropes of carbon. Study them and answer the questions that follow.
(i) Name the allotrope M and N
ii) Give one use of N
(iii) Which allotrope conducts electricity? Explain. (Answered)
The following diagrams shows the structures of two allotropes of carbon. Study them and answer the questions that follow. (i) Name the allotrope M and N ii) Give one use of N (iii) Which allotrope conducts electricity? Explain. .
Posted On:Thu 11, March 2021 21:02:32 pm
The following diagrams shows the structures of two allotropes of carbon. Study them and answer the questions that follow.
(i) Name the allotrope M and N
ii) Give one use of N
(iii) Which allotrope conducts electricity? Explain. (Answered)The following diagrams shows the structures of two allotropes of carbon. Study them and answer the questions that follow. (i) Name the allotrope M and N ii) Give one use of N (iii) Which allotrope conducts electricity? Explain. .
Posted On:Thu 11, March 2021 21:02:32 pm
3. State and explain the function of tartaric acid in baking powder. (Answered)
State and explain the function of tartaric acid in baking powder. .
Posted On:Thu 11, March 2021 20:55:18 pm
State and explain the function of tartaric acid in baking powder. (Answered)State and explain the function of tartaric acid in baking powder. .
Posted On:Thu 11, March 2021 20:55:18 pm
4. Explain why it is not advisable to leave jiko with burning charcoal in a closed room where one is sleeping. (Answered)
Explain why it is not advisable to leave jiko with burning charcoal in a closed room where one is sleeping. .
Posted On:Thu 11, March 2021 20:54:36 pm
Explain why it is not advisable to leave jiko with burning charcoal in a closed room where one is sleeping. (Answered)Explain why it is not advisable to leave jiko with burning charcoal in a closed room where one is sleeping. .
Posted On:Thu 11, March 2021 20:54:36 pm
5. Study the information in the table below and answer the questions that follow.
(The letters do not represent the actual symbols of the elements)
Selects an element which:
(a) Is likely to be in group II of the periodic table
(b) Could be used to make electric cables.
(c) Is likely to be graphite (Answered)
Study the information in the table below and answer the questions that follow. (The letters do not represent the actual symbols of the elements) Selects an element which: (a) Is likely to be in group II of the periodic table (b) Could be used to make electric cables. (c) Is likely to be graphite .
Posted On:Thu 11, March 2021 20:53:46 pm
Study the information in the table below and answer the questions that follow.
(The letters do not represent the actual symbols of the elements)
Selects an element which:
(a) Is likely to be in group II of the periodic table
(b) Could be used to make electric cables.
(c) Is likely to be graphite (Answered)Study the information in the table below and answer the questions that follow. (The letters do not represent the actual symbols of the elements) Selects an element which: (a) Is likely to be in group II of the periodic table (b) Could be used to make electric cables. (c) Is likely to be graphite .
Posted On:Thu 11, March 2021 20:53:46 pm
6. The simplified flow chart shows some of the steps in the manufacture of sodium carbonate by Solvay process.
(a) Identify substance L
(b) Name the process taking place in step II
(c) Write an equation for the reaction which takes place in step III. (Answered)
The simplified flow chart shows some of the steps in the manufacture of sodium carbonate by Solvay process. (a) Identify substance L (b) Name the process taking place in step II (c) Write an equation for the reaction which takes place in step III. .
Posted On:Thu 11, March 2021 20:49:39 pm
The simplified flow chart shows some of the steps in the manufacture of sodium carbonate by Solvay process.
(a) Identify substance L
(b) Name the process taking place in step II
(c) Write an equation for the reaction which takes place in step III. (Answered)The simplified flow chart shows some of the steps in the manufacture of sodium carbonate by Solvay process. (a) Identify substance L (b) Name the process taking place in step II (c) Write an equation for the reaction which takes place in step III. .
Posted On:Thu 11, March 2021 20:49:39 pm
7. When excess carbon (II) oxide gas was passed over heated lead (II) oxide in a combustion tube, lead (II) oxide was reduced.
(a) Write an equation for the reaction, which took place.
(b) What observation was made in the combustion tube when the reaction was complete?
(c) Name other gas which could be used to reduce lead (II) oxide.
(Answered)
When excess carbon (II) oxide gas was passed over heated lead (II) oxide in a combustion tube, lead (II) oxide was reduced. (a) Write an equation for the reaction, which took place. (b) What observation was made in the combustion tube when the reaction was complete? (c) Name other gas which could be used to reduce lead (II) oxide. .
Posted On:Thu 11, March 2021 20:42:23 pm
When excess carbon (II) oxide gas was passed over heated lead (II) oxide in a combustion tube, lead (II) oxide was reduced.
(a) Write an equation for the reaction, which took place.
(b) What observation was made in the combustion tube when the reaction was complete?
(c) Name other gas which could be used to reduce lead (II) oxide.
(Answered)When excess carbon (II) oxide gas was passed over heated lead (II) oxide in a combustion tube, lead (II) oxide was reduced. (a) Write an equation for the reaction, which took place. (b) What observation was made in the combustion tube when the reaction was complete? (c) Name other gas which could be used to reduce lead (II) oxide. .
Posted On:Thu 11, March 2021 20:42:23 pm
8. The diagram below represents a charcoal burner. Study it and answer the question that follows:
Write equations for the reactions taking place at I and I. (Answered)
The diagram below represents a charcoal burner. Study it and answer the question that follows: Write equations for the reactions taking place at I and I. .
Posted On:Thu 11, March 2021 20:38:46 pm
The diagram below represents a charcoal burner. Study it and answer the question that follows:
Write equations for the reactions taking place at I and I. (Answered)The diagram below represents a charcoal burner. Study it and answer the question that follows: Write equations for the reactions taking place at I and I. .
Posted On:Thu 11, March 2021 20:38:46 pm
9. When extinguishing a fire caused by burning kerosene, carbon (IV) oxide is used in preference to water. Explain. (Answered)
When extinguishing a fire caused by burning kerosene, carbon (IV) oxide is used in preference to water. Explain. .
Posted On:Thu 11, March 2021 20:31:10 pm
When extinguishing a fire caused by burning kerosene, carbon (IV) oxide is used in preference to water. Explain. (Answered)When extinguishing a fire caused by burning kerosene, carbon (IV) oxide is used in preference to water. Explain. .
Posted On:Thu 11, March 2021 20:31:10 pm
10. Write an equation for the reaction that takes place when carbon (II) oxide gas is passed over heated Lead (II) oxide. (Answered)
Write an equation for the reaction that takes place when carbon (II) oxide gas is passed over heated Lead (II) oxide. .
Posted On:Thu 11, March 2021 20:30:03 pm
Write an equation for the reaction that takes place when carbon (II) oxide gas is passed over heated Lead (II) oxide. (Answered)Write an equation for the reaction that takes place when carbon (II) oxide gas is passed over heated Lead (II) oxide. .
Posted On:Thu 11, March 2021 20:30:03 pm
11. Give a reason why calcium hydroxide solution is used to detect the presence of carbon (IV) oxide gas while sodium hydroxide is not (Answered)
Give a reason why calcium hydroxide solution is used to detect the presence of carbon (IV) oxide gas while sodium hydroxide is not .
Posted On:Thu 11, March 2021 20:25:48 pm
Give a reason why calcium hydroxide solution is used to detect the presence of carbon (IV) oxide gas while sodium hydroxide is not (Answered)Give a reason why calcium hydroxide solution is used to detect the presence of carbon (IV) oxide gas while sodium hydroxide is not .
Posted On:Thu 11, March 2021 20:25:48 pm
12. Indicate the best type of document to use in the following situations
a)Issued by a transport trader without his own transport means
b)To correct overcharge in the invoice
c)Written by a debtor to the seller acknowledging that a debt exists
d)Written by an exporter to his bank authorizing the bank to sell goods that the importer is unable to pay for. (Answered)
Indicate the best type of document to use in the following situations a)Issued by a transport trader without his own transport means b)To correct overcharge in the invoice c)Written by a debtor to the seller acknowledging that a debt exists d)Written by an exporter to his bank authorizing the bank to sell goods that the importer is unable to pay for. .
Posted On:Thu 11, March 2021 15:46:02 pm
Indicate the best type of document to use in the following situations
a)Issued by a transport trader without his own transport means
b)To correct overcharge in the invoice
c)Written by a debtor to the seller acknowledging that a debt exists
d)Written by an exporter to his bank authorizing the bank to sell goods that the importer is unable to pay for. (Answered)Indicate the best type of document to use in the following situations a)Issued by a transport trader without his own transport means b)To correct overcharge in the invoice c)Written by a debtor to the seller acknowledging that a debt exists d)Written by an exporter to his bank authorizing the bank to sell goods that the importer is unable to pay for. .
Posted On:Thu 11, March 2021 15:46:02 pm
13. State four internal diseconomies of scale (Answered)
State four internal diseconomies of scale .
Posted On:Thu 11, March 2021 15:42:20 pm
State four internal diseconomies of scale (Answered)State four internal diseconomies of scale .
Posted On:Thu 11, March 2021 15:42:20 pm
14. Outline four factors that hinder development in most African countries (Answered)
Outline four factors that hinder development in most African countries .
Posted On:Thu 11, March 2021 15:41:20 pm
Outline four factors that hinder development in most African countries (Answered)Outline four factors that hinder development in most African countries .
Posted On:Thu 11, March 2021 15:41:20 pm
15. State four circumstances when face to face communication may be appropriate (Answered)
State four circumstances when face to face communication may be appropriate .
Posted On:Thu 11, March 2021 15:40:23 pm
State four circumstances when face to face communication may be appropriate (Answered)State four circumstances when face to face communication may be appropriate .
Posted On:Thu 11, March 2021 15:40:23 pm
16. State four factors that influence the amount of capital borrowed by a business enterprise (Answered)
State four factors that influence the amount of capital borrowed by a business enterprise .
Posted On:Thu 11, March 2021 15:39:05 pm
State four factors that influence the amount of capital borrowed by a business enterprise (Answered)State four factors that influence the amount of capital borrowed by a business enterprise .
Posted On:Thu 11, March 2021 15:39:05 pm
17. Highlight four factors that account for wage differences among workers with similar qualifications. (Answered)
Highlight four factors that account for wage differences among workers with similar qualifications. .
Posted On:Thu 11, March 2021 15:37:55 pm
Highlight four factors that account for wage differences among workers with similar qualifications. (Answered)Highlight four factors that account for wage differences among workers with similar qualifications. .
Posted On:Thu 11, March 2021 15:37:55 pm
18. Identify four possible causes of structural unemployment (Answered)
Identify four possible causes of structural unemployment .
Posted On:Thu 11, March 2021 15:36:35 pm
Identify four possible causes of structural unemployment (Answered)Identify four possible causes of structural unemployment .
Posted On:Thu 11, March 2021 15:36:35 pm
19. Highlight four features of postal orders (Answered)
Highlight four features of postal orders .
Posted On:Thu 11, March 2021 15:35:27 pm
Highlight four features of postal orders (Answered)Highlight four features of postal orders .
Posted On:Thu 11, March 2021 15:35:27 pm
20. State four positive effects of inflation (Answered)
State four positive effects of inflation .
Posted On:Thu 11, March 2021 15:34:21 pm
State four positive effects of inflation (Answered)State four positive effects of inflation .
Posted On:Thu 11, March 2021 15:34:21 pm
21. The central bank is a banker to the government. Outline four banking services it provides to the Kenyan government (Answered)
The central bank is a banker to the government. Outline four banking services it provides to the Kenyan government .
Posted On:Thu 11, March 2021 15:33:14 pm
The central bank is a banker to the government. Outline four banking services it provides to the Kenyan government (Answered)The central bank is a banker to the government. Outline four banking services it provides to the Kenyan government .
Posted On:Thu 11, March 2021 15:33:14 pm
22. Highlight four ways that could be used to determine the prices of goods and services (Answered)
Highlight four ways that could be used to determine the prices of goods and services .
Posted On:Thu 11, March 2021 15:31:42 pm
Highlight four ways that could be used to determine the prices of goods and services (Answered)Highlight four ways that could be used to determine the prices of goods and services .
Posted On:Thu 11, March 2021 15:31:42 pm
23. Outline four circumstances under which the nature of goods would influence the choice of means of transport (Answered)
Outline four circumstances under which the nature of goods would influence the choice of means of transport .
Posted On:Thu 11, March 2021 15:30:48 pm
Outline four circumstances under which the nature of goods would influence the choice of means of transport (Answered)Outline four circumstances under which the nature of goods would influence the choice of means of transport .
Posted On:Thu 11, March 2021 15:30:48 pm
24. Highlight four modern trends in product promotion (Answered)
Highlight four modern trends in product promotion .
Posted On:Thu 11, March 2021 15:29:34 pm
Highlight four modern trends in product promotion (Answered)Highlight four modern trends in product promotion .
Posted On:Thu 11, March 2021 15:29:34 pm
25. Highlight four factors that may determine the amount of premium to be paid in life assurance. (Answered)
Highlight four factors that may determine the amount of premium to be paid in life assurance. .
Posted On:Thu 11, March 2021 15:28:40 pm
Highlight four factors that may determine the amount of premium to be paid in life assurance. (Answered)Highlight four factors that may determine the amount of premium to be paid in life assurance. .
Posted On:Thu 11, March 2021 15:28:40 pm
26. State four advantages of specialization and division of labour (Answered)
State four advantages of specialization and division of labour .
Posted On:Thu 11, March 2021 15:27:37 pm
State four advantages of specialization and division of labour (Answered)State four advantages of specialization and division of labour .
Posted On:Thu 11, March 2021 15:27:37 pm
27. Outline four contents of goods business plan. (Answered)
Outline four contents of goods business plan. .
Posted On:Thu 11, March 2021 15:26:20 pm
Outline four contents of goods business plan. (Answered)Outline four contents of goods business plan. .
Posted On:Thu 11, March 2021 15:26:20 pm
28. State four reasons why it is important to locate a warehouse to a point of entry into a country (Answered)
State four reasons why it is important to locate a warehouse to a point of entry into a country .
Posted On:Thu 11, March 2021 15:24:22 pm
State four reasons why it is important to locate a warehouse to a point of entry into a country (Answered)State four reasons why it is important to locate a warehouse to a point of entry into a country .
Posted On:Thu 11, March 2021 15:24:22 pm
29. Outline four characteristics of debentures as a source of finance for a company (Answered)
Outline four characteristics of debentures as a source of finance for a company .
Posted On:Thu 11, March 2021 15:23:10 pm
Outline four characteristics of debentures as a source of finance for a company (Answered)Outline four characteristics of debentures as a source of finance for a company .
Posted On:Thu 11, March 2021 15:23:10 pm
30. Many trading blokcs particularly in Africa face numerous challenges. Outline four challenges they face. (Answered)
Many trading blokcs particularly in Africa face numerous challenges. Outline four challenges they face. .
Posted On:Thu 11, March 2021 15:21:57 pm
Many trading blokcs particularly in Africa face numerous challenges. Outline four challenges they face. (Answered)Many trading blokcs particularly in Africa face numerous challenges. Outline four challenges they face. .
Posted On:Thu 11, March 2021 15:21:57 pm
31. Highlight four advantages of direct taxation. (Answered)
Highlight four advantages of direct taxation. .
Posted On:Thu 11, March 2021 15:19:16 pm
Highlight four advantages of direct taxation. (Answered)Highlight four advantages of direct taxation. .
Posted On:Thu 11, March 2021 15:19:16 pm
32. Mention four factors that have led to slow economic development in most African countries (Answered)
Mention four factors that have led to slow economic development in most African countries .
Posted On:Thu 11, March 2021 14:20:26 pm
Mention four factors that have led to slow economic development in most African countries (Answered)Mention four factors that have led to slow economic development in most African countries .
Posted On:Thu 11, March 2021 14:20:26 pm
33. State four negative effects of inflation to business (Answered)
State four negative effects of inflation to business .
Posted On:Thu 11, March 2021 14:19:16 pm
State four negative effects of inflation to business (Answered)State four negative effects of inflation to business .
Posted On:Thu 11, March 2021 14:19:16 pm
34. Highlight four factors that influence the amount of money collected by the government through taxation (Answered)
Highlight four factors that influence the amount of money collected by the government through taxation .
Posted On:Thu 11, March 2021 14:18:01 pm
Highlight four factors that influence the amount of money collected by the government through taxation (Answered)Highlight four factors that influence the amount of money collected by the government through taxation .
Posted On:Thu 11, March 2021 14:18:01 pm
35. Outline four measures that central bank of Kenya can use to mop out any excess liquidity in the country (Answered)
Outline four measures that central bank of Kenya can use to mop out any excess liquidity in the country .
Posted On:Thu 11, March 2021 14:16:29 pm
Outline four measures that central bank of Kenya can use to mop out any excess liquidity in the country (Answered)Outline four measures that central bank of Kenya can use to mop out any excess liquidity in the country .
Posted On:Thu 11, March 2021 14:16:29 pm
36. Classify each of the assets below as either current or fixed (Answered)
Classify each of the assets below as either current or fixed .
Posted On:Thu 11, March 2021 14:15:04 pm
Classify each of the assets below as either current or fixed (Answered)Classify each of the assets below as either current or fixed .
Posted On:Thu 11, March 2021 14:15:04 pm
37. Outline four ways in which students can prevent unemployment in the future after high school (Answered)
Outline four ways in which students can prevent unemployment in the future after high school .
Posted On:Thu 11, March 2021 14:13:51 pm
Outline four ways in which students can prevent unemployment in the future after high school (Answered)Outline four ways in which students can prevent unemployment in the future after high school .
Posted On:Thu 11, March 2021 14:13:51 pm
38. Outline four disadvantages of under populated country (Answered)
Outline four disadvantages of under populated country .
Posted On:Thu 11, March 2021 14:12:30 pm
Outline four disadvantages of under populated country (Answered)Outline four disadvantages of under populated country .
Posted On:Thu 11, March 2021 14:12:30 pm
39. Indicate whether each of the following below is either an Income approach,Expenditure approach or Output approach in the measurement of national income.
a)Expenditure on fuel
b)Government tax
c)Cost on finished goods
d)Salaries and wages (Answered)
Indicate whether each of the following below is either an Income approach,Expenditure approach or Output approach in the measurement of national income. a)Expenditure on fuel b)Government tax c)Cost on finished goods d)Salaries and wages .
Posted On:Thu 11, March 2021 14:11:02 pm
Indicate whether each of the following below is either an Income approach,Expenditure approach or Output approach in the measurement of national income.
a)Expenditure on fuel
b)Government tax
c)Cost on finished goods
d)Salaries and wages (Answered)Indicate whether each of the following below is either an Income approach,Expenditure approach or Output approach in the measurement of national income. a)Expenditure on fuel b)Government tax c)Cost on finished goods d)Salaries and wages .
Posted On:Thu 11, March 2021 14:11:02 pm
40. State four expenses that a wholesaler will incur if he distributes goods on behalf of the producer (Answered)
State four expenses that a wholesaler will incur if he distributes goods on behalf of the producer .
Posted On:Thu 11, March 2021 14:08:03 pm
State four expenses that a wholesaler will incur if he distributes goods on behalf of the producer (Answered)State four expenses that a wholesaler will incur if he distributes goods on behalf of the producer .
Posted On:Thu 11, March 2021 14:08:03 pm
41. Mention four government policies that may encourage location of firms in a certain area. (Answered)
Mention four government policies that may encourage location of firms in a certain area. .
Posted On:Thu 11, March 2021 14:06:54 pm
Mention four government policies that may encourage location of firms in a certain area. (Answered)Mention four government policies that may encourage location of firms in a certain area. .
Posted On:Thu 11, March 2021 14:06:54 pm
42. Highlight four ways that a government can use to increase the demand of a commodity in the market (Answered)
Highlight four ways that a government can use to increase the demand of a commodity in the market .
Posted On:Thu 11, March 2021 14:05:55 pm
Highlight four ways that a government can use to increase the demand of a commodity in the market (Answered)Highlight four ways that a government can use to increase the demand of a commodity in the market .
Posted On:Thu 11, March 2021 14:05:55 pm
43. Mutua and Mutio have taken life assurance policies. State four factors that would make them pay different premium amounts. (Answered)
Mutua and Mutio have taken life assurance policies. State four factors that would make them pay different premium amounts. .
Posted On:Thu 11, March 2021 14:04:31 pm
Mutua and Mutio have taken life assurance policies. State four factors that would make them pay different premium amounts. (Answered)Mutua and Mutio have taken life assurance policies. State four factors that would make them pay different premium amounts. .
Posted On:Thu 11, March 2021 14:04:31 pm
44. State four functions carried out in a warehouse (Answered)
State four functions carried out in a warehouse .
Posted On:Thu 11, March 2021 14:03:17 pm
State four functions carried out in a warehouse (Answered)State four functions carried out in a warehouse .
Posted On:Thu 11, March 2021 14:03:17 pm
45. Give four merits of verbal communication over written communication (Answered)
Give four merits of verbal communication over written communication .
Posted On:Thu 11, March 2021 14:02:19 pm
Give four merits of verbal communication over written communication (Answered)Give four merits of verbal communication over written communication .
Posted On:Thu 11, March 2021 14:02:19 pm
46. State four characteristics of an efficient transport system. (Answered)
State four characteristics of an efficient transport system. .
Posted On:Thu 11, March 2021 14:01:06 pm
State four characteristics of an efficient transport system. (Answered)State four characteristics of an efficient transport system. .
Posted On:Thu 11, March 2021 14:01:06 pm
47. Highlight four internal sources of capital available to a business (Answered)
Highlight four internal sources of capital available to a business .
Posted On:Thu 11, March 2021 13:59:54 pm
Highlight four internal sources of capital available to a business (Answered)Highlight four internal sources of capital available to a business .
Posted On:Thu 11, March 2021 13:59:54 pm
48. Give four main differences between a private limited company and a public limited company (Answered)
Give four main differences between a private limited company and a public limited company .
Posted On:Thu 11, March 2021 13:58:54 pm
Give four main differences between a private limited company and a public limited company (Answered)Give four main differences between a private limited company and a public limited company .
Posted On:Thu 11, March 2021 13:58:54 pm
49. Highlight four reasons why most businesses in Kenya operate on small scale basis (Answered)
Highlight four reasons why most businesses in Kenya operate on small scale basis .
Posted On:Thu 11, March 2021 13:54:54 pm
Highlight four reasons why most businesses in Kenya operate on small scale basis (Answered)Highlight four reasons why most businesses in Kenya operate on small scale basis .
Posted On:Thu 11, March 2021 13:54:54 pm
50. Outline four circumstances that will make the consumers to buy products directly from producers (Answered)
Outline four circumstances that will make the consumers to buy products directly from producers .
Posted On:Thu 11, March 2021 13:53:50 pm
Outline four circumstances that will make the consumers to buy products directly from producers (Answered)Outline four circumstances that will make the consumers to buy products directly from producers .
Posted On:Thu 11, March 2021 13:53:50 pm
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