The density of a gas ‘X’ is twice that of another gas ‘Y’. If – McqOptions

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1.	The density of a gas ‘X’ is twice that of another gas ‘Y’. If the molecular weight of gas ‘Y’ is ‘M’; then the molecular weight of the gas ‘X’ will be________________?
A.	2M
B.	M/2
C.	M
D.	M/4
Answer» B. M/2

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