Study the flow chart below and answer the questions that follow.

(a) Give the name of the process that takes place in step I
(b) Give ;
(i) The name of substance G1
(ii) One use of substance F1

Answer:

a)
- Neutralization

b) i)
- Calcium hydrogen carbonate

ii)- Drying agent

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in an experiment, soap solution was added to three separate samples of water. The table below shows the volumes of the soap solutions required to form lather with #1000cm^3# of each sample of water before and after boiling. a) Which water sample is likely to be soft? Explain. (b) Name the cause of change in the volume of soap solution used in sample III (Answered)
in an experiment, soap solution was added to three separate samples of water. The table below shows the volumes of the soap solutions required to form lather with #1000cm^3# of each sample of water before and after boiling. a) Which water sample is likely to be soft? Explain. (b) Name the cause of change in the volume of soap solution used in sample III .
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A sample of water drawn from a river passing through an agricultural district was divided into two portions. The first portion gave a white precipitate when acidified barium chloride was added. The second portion when warmed with aqueous sodium hydroxide gave a colourless gas which turned a moist red litmus paper blue. (a) Identify the ions present in the river water. (b) Suggest the possible (Answered)
A sample of water drawn from a river passing through an agricultural district was divided into two portions. The first portion gave a white precipitate when acidified barium chloride was added. The second portion when warmed with aqueous sodium hydroxide gave a colourless gas which turned a moist red litmus paper blue. (a) Identify the ions present in the river water. (b) Suggest the possible .
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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)
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Study the flow chart below and answer the questions that follow. (a) Give the name of the process that takes place in step I (b) Give ; (i) The name of substance G1 (ii) One use of substance F1

Study the flow chart below and answer the questions that follow.

(a) Give the name of the process that takes place in step I
(b) Give ;
(i) The name of substance G1
(ii) One use of substance F1