When waer is added gradually to a white solid X, a hissing sound is heard and a lot of heat
Channel: Doubtnut
Date: 2020-02-02

When waer is added gradually to a white solid X, a hissing sound is heard and a lot of heat is produced forming a product Y.A suspension of Y in water is applies to the walls of a house during white washing. A clear solution of Y is also used for testing carbon dioxide gas in the laboratoty. (a) What could be solid X? Write its chemical formula. (b) What could be product Y ? Write its chemical formula. (c ) What is the common name of the solution of Y which is used for testing carbon dioxide gas? (d) Write chemical equation of the reaction which takes place on adding water to solid X. (e) Which characteristic of chemical reactions is allustated by thais example ?