Gases in Everyday Life MCQs with Answers

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Coal is a fossil fuel formed from the remains of ancient plants buried and subjected to heat and pressure over millions of years.

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Kinetic theory explains the behavior of gases by describing them as particles in constant random motion.

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Neon gas diffuses faster than CO₂ because Neon atoms have lower mass, and according to Graham's law, lighter gases diffuse more rapidly.

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Propane (liquefied petroleum gas) is considered a pollutant-free alternative to petrol for automobiles because it burns more cleanly, producing significantly lower emissions of carbon monoxide, hydrocarbons, and particulate matter.

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According to Graham's law, Hydrogen (H₂) effuses most easily through a small hole because it has the lowest molecular mass among the given gases.

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The major component of natural gas is methane.

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The gas commonly known as Laughing gas is Nitrous Oxide (N₂O).

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LPG (Liquefied Petroleum Gas) is a mixture of Propane and Butane.

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Biogas is primarily composed of methane (CH₄) and carbon dioxide (CO₂).

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The primary component of natural gas is methane (CH₄), typically making up 70–90% of its composition.