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100 gm mixture of Co and CO(2) is mixed...

100 gm mixture of Co and `CO_(2)` is mixed with 30 mL of `O_(2)` and sparked in eudiometer tube. The residual gas after treatment with aq. KOH has a volume of 10 mL which remains unchanged when treated with alkline pyrogallol . If all the volume are under the same conditions, point out the correct option(s)

A

The volume of CO that reacts is 60 mL

B

The volume of CO that remains unreacted is 10 mL

C

The volume of `O_(2)` that remains unreacted is 10 mL

D

The volume of `CO_(2)` that gets absorbed y aqueous KOH is 90 mL.

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The correct Answer is:
A, B, D
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