Question

Which of the following as a Process to prepare washing soda?

(a) Solvay process

(b) Amalgam process

(c) Boiling

(d) Clark’s process

This question was posed to me during an online interview.

My query is from s-Block Elements in division s-Block Elements of Chemistry – Class 11

Answer 1

Right answer is (a) Solvay process

For explanation I would say: In Solvay process, carbon dioxide gas is passed through brine solution saturated with Ammonia, which results in the formation of sodium bicarbonate, which is filtered and dried it is ignited to give sodium carbonate.