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NEET UG CHEMISTRY MCQ: 14 TH GROUP ELEMENTS (P-BLOCK)
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Vapour density of which gas is near to air?
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Correct option: A
CO
Option A (CO) is correct because the molar mass of CO (28 g/mol) is closest to the average molar mass of air (approximately 29 g/mol), making its vapor density near to air.
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