Science, asked by urekaaa, 1 year ago

H2S gas is collected by upward displacement of air. Why ?

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Answered by vijaytheboss

Answer:

Upward displacement of air is the displacement of air in the upward direction as the gases are collected by downward delivery. ... The principle here is that if a gas is denser than air, it is often more convenient to collect it in a gas jar or test tube by downward delivery.

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