1.

V_(1) mL of SO_(2), filled in a tube at 1 atm between a movable frinctionless piston and a porous plug. The tube is left in air till the piston stops moving. The volume V_(1) is found to increase to V_(2). The volume V_(2) contains

Answer»

AIR only
`SO_(2)` only
both air and `SO_(2)`
NEITHER air nor `SO_(2)`

ANSWER :A


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