Question

Ammonia gas is collected by downward displacement of air since ammonia is ______.

Options

• Very slightly soluble in water

• Heavier than air

• Lighter than air

• Insoluble in water

Answer 1

Ammonia gas is collected by downward displacement of air since ammonia is lighter than air.

Explanation:

Ammonia gas is collected in an inverted gas jar by displacing air downward due to its lighter density. Ammonia is very soluble and cannot be collected over water.