The lightest non-inflammable gas is_________________? — Answer & Explanation | PrepBeePakistan

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HomeMCQsChemical Engineering

MEDIUMENGLISHChemical Engineering

The lightest non-inflammable gas is_________________?

Correct answer: B

Explanation

Helium (He) is the lightest noble gas and is non-flammable. Hydrogen (H2) is lighter but can be flammable.

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