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Which of the following gases is heavier than oxygen? िनिलखत मसेकौन सी गैस ऑीजन सेभारी होती है? Options: 1) Carbon dioxide काबन डाईऑाइड 2) Ammonia अमोिनया 3) Methane मीथेन 4) Helium हीिलयम

 Correct Answer: Carbon dioxideSince the density of a gas at any given pressure and temperature depends almost entirely on its molecular weight, any gas with a molecular weight greater than Nitrogen will be heavier than air.Common gases that are heavier than air include;...Read more