Question

Ammonia gas cannot be collected in an erect gas jar. Why?

Answer 1

Ammonia, being lighter than air, is collected by the downward displacement of air in an inverted gas jar. ... A flame is lit in the airtight jar which starts using up the oxygen in the jar and producing carbon dioxide.

HOPE U UNDERSTAND

Answer 2

Explanation:

Ammonia, being lighter than air, is collected by the downward displacement of air in an inverted gas jar. A flame is lit in the airtight jar which starts using up the oxygen in the jar and producing carbon dioxide.