Describe how sodium hydrogen carbonate (baking soda) is produced on a large scale. Write the equation of the reaction involved.

Q.

(a) Describe how washing soda is produced starting from sodium chloride (common salt). Write equations of all the reactions involved.

(b) State whether an aqueous solution of washing soda is acidic or alkaline ? Give reason for your answer.

(c) What is meant by saying that washing soda has detergent properties ?

(d) Give two important uses of washing soda (or sodium carbonate).

Q. Explain why sodium hydrogen carbonate is used as an antacid?

Q. Baking soda on _______ gives sodium carbonate, water and carbon dioxide.

Q.

Baking soda on thermal ___ gives sodium carbonate, water and carbon dioxide.

Q. The element which is not common between the compounds called baking soda and soda ash is
(a) sodium
(b) hydrogen
(c) oxygen
(d) carbon