Concentrated sulphuric acid is an excellent dehydrating agent and is widely used for drying such gases which do not react with it. But concentrated sulphuric acid cannot be used for drying dihydrogen gas. Why ?

Concentrated sulphuric acid is an excellent dehydrating agent and is w

1.	Concentrated sulphuric acid is an excellent dehydrating agent and is widely used for drying such gases which do not react with it. But concentrated sulphuric acid cannot be used for drying dihydrogen gas. Why ?
Answer» Solution :Conc. `H_(2)SO_(4)` on absorbing `H_(2)O` from MOIST `H_(2)` PRODUCES so much heat that HYDROGEN catches fire.