Question

What is the name of the process in which a) a solid turns directly inta a gas

Answer 1

The process of conversion of solid directly to gas iscalled Sublimation. It is an endothermic process(occurs with the absorption of heat from the surroundings). Some examples of substances that sublimate: Dry ice.

Answer 2

Ammonium chloride is the solid that directly converts into liquid .........Hope it is helpful .