Question

Heating of ammonium chloride solution is a:

• A. physical change
• B. chemical change
• C. depends on temperature
• D. can't say

Answer 1

Answer: (A), (B)

The correct options are
A physical change
B chemical change

Solid ammonium chloride vapourizes to form gaseous ammonium chloride. This is a physical change. Ammonium chloride is partially dissociated. This a chemical change. The products ammonia and chlorine recombine to form ammonium chloride. This is also a chemical change.