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Question
Ammonium chloride is also sublimable solid . Give a reason why sublimation of ammonium chloride involves a physical & Chemical change.
Ammonium chloride is also sublimable solid . Give a reason why sublimation of ammonium chloride involves a physical & Chemical change.
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Solution
Some substances can undergo physical and chemical change:
Sublimation of NH4Cl ⇔ NH3 +HCl
when ammonium chloride is heated , it vaporizes to form gaseous ammonium chloride.
so it is a physical change .
Ammonium chloride is partially dissociated .
so it is a chemical change.
The products ammonia and HCl combine to fork NH4Cl . This also a chemical change
hope it helps
Sublimation of NH4Cl ⇔ NH3 +HCl
when ammonium chloride is heated , it vaporizes to form gaseous ammonium chloride.
so it is a physical change .
Ammonium chloride is partially dissociated .
so it is a chemical change.
The products ammonia and HCl combine to fork NH4Cl . This also a chemical change
hope it helps
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