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प्रश्न
Ammonia gas is collected by downward displacement of air since ammonia is ______.
विकल्प
Very slightly soluble in water
Heavier than air
Lighter than air
Insoluble in water
उत्तर
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.
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