Which out of the following drying agents...

Which out of the following drying agents will react with `CO_2` and remove water vapours?

`CaCl_2`

`CaCO_3`

`CaO`

`H_2SO_4`

Verified by Experts

The correct Answer is:

`CaO+CO_2toCaCO_3`
`CaO+HOHtoCa(OH)_2`

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