Question

A metal carbonate X on reacting with an acid gives a gas which when passed through a solution of Y gives a carbonate back. On the other hand, a gas G that is obtained at anode during electrolysis of brine is passed on dry Y, it gives a compound Z, used for disinfecting drinking water. Indentify X, Y, G and Z.​

Answer 1

Answer:

Metal carbonate can be CaCo3 calcium carbonate and give a gas Co2 which is passed through lime water it turn it mikly