1.

Heating solid ammonium chloride involves change in the ___________.

Answer»

physical state only
physical state as well as chemical composition
colour only
both colour and volume only

Solution :`NH_(4)Cl(s)overset(DELTA)toNH_(4)(g)overset(Delta)toNH_(3)(g)+HCl(g)`
Itinvolves both sublimation (physical CHANGE) and chemical decomposition (chemical change)


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