Name the raw material used for the production of caustic soda.

What name is given to the common salt which is mined from underground deposits? How was this salt formed?

Name the salt which is used as a preservative in pickles, and in curing meat and fish.

The electrolysis of an aqueous solution of sodium chloride gives us three products. Name them.

During the electrolysis of a saturated solution of sodium chloride, where is:

(a) chlorine formed?

(b) hydrogen formed?

(c) sodium hydroxide formed?