Question

Sublimation of ammonium chloride is a temporary and reversible change give reason ​

Answer 1

Answer:

Sublimation is the process in which a solid is converted to gas by heating and then the gas can cooled to get back the solid substance.

AMMONIUM CHLORIDE :

Sublimation of ammonium chloride produces it's gaseous form and we can convert the gas into liquid by cooling.

Therefore, sublimation of ammonium chloride is a temporary and reversible change.

Answer 2

Answer:

It is a physical change because it is change in state and is reversible........

Ammonium chloride decomposes into ammonia and hydrochloric acid at its sublimation temperature.

Hope it helps you.