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1 mol of substance (X) was treated with...

1 mol of substance (X) was treated with an excess of water. 2 mol of readily combustible gas were produced alongwith solution which when reacted with `CO_(2)` gas produced a white turbidity. The substance (X) could be :

A

`Ca`

B

`CaH_2`

C

`Ca(OH)_2`

D

`Ca(NO_3)_2`

Text Solution

Verified by Experts

The correct Answer is:
B
`CaH_2 + 2H_2 O to Ca(OH)_2 + 2H_2`
`Ca(OH)_2 + CO_2 to CaCO_3 + H_2 O `
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