When a jar containing gaseous mixture of...

When a jar containing gaseous mixture of equal volumes of `CO_(2)` and `H_(2)` is placed in a solution of sodium hydroxide, the solution level will

A

Rise

B

Fall

C

Remain constant

D

Become zero

Verified by Experts

The correct Answer is:

A

Solution level will rise, due to absorption of `CO_2` by sodium hydroxide.
`2NaOH + CO_2 to Na_2CO_3 + H_2O` .

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