Question

why gas is lighter than air?​

Answer 1

Answer:

because

Explanation:

The longer answer is that it rises because of its composition. Natural gas is primarily composed of methane, a colorless and nearly odorless gas that's lighter than air. As a result, it will gradually displace oxygenated air from the top down if enough of it is released in a confined space.

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Answer 2

Explanation:

The common gases that are lighters than air are hydrogen,helium,neon, nitrogen, ammonia,,methane and carbon monoxide.