Question

example of substance which used to dry gases

Answer 1

substances which absorb water from air can be used asdrying agents for gases. Example, CaCl2 and P4O10 can be used to dry gases, but not ammonia. Conc. H2SO4 is used to dry HCl.

Answer 2

Examples of Solid to Gas(Sublimation) Dry Ice - Solid carbon dioxide is known as "dry ice" and sublimates at room temperature. Freeze-drying - Water can be sublimated in a food product by usinga vacuum.