Question

2.Salt A commonly used in bakery products on heating gets converted into another salt B which itself is used for removal of hardness of water and a gas C is evolved. The gas C when passed through lime water , turns it milky. Identify A, B and C.

Answer 1

A=NACL is used in bakery.....
by solvay process...by using it ,we get ...
B= salt Nahco3...
and when it use to soften the hard water.....it heated,,,,
and then a gas evolved C =Co2 which turns lime water (caco3) milky...