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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2012
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Q)

50 mL of each gas A and of gas B takes 150 and 200 seconds respectively for effusing through a pin hole under the similar conditions. If molecular mass of gas B is 36, the molecular mass of gas A will be ?


( A ) 64
( B ) Non of these
( C ) 32
( D ) 96

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