A solid substance P which is very hard is used in the construction of many buildings epiecialy flooring When substance P is heated strongly, it decompose to from another soolid Q and a gas R is given our Solid Q reacts with water with the releade of a lot of heat to from a substance S. When gas R is passed into a clear solutio of substance S, then a while precipitate of substance T is formed. The substance T has the same chemical composition as starting substance P. (a) What is substance P? Write its common name as well as chemical formula. (b) What is substance Q? (c ) What is gas R? (d) What is substance S ? What is its clear solution known as ? (e) What is substance T ? Name any two natural forms in which substance T occurs in nature
