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4.4 g of a gas at STP occupies a volume of 2.24 L, the gas can

a) \[O_{2}\]
b) CO
c) \[ NO_{2}\]
d) \[ CO_{2}\]

Answer: d
Explanation: 44g at STP occupies volume 22.4 litre which is molecular mass of CO2. Molecular mass occupies 22.4 litre at STP

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