s-Block ElementsHard

Question

Drying agent which react with CO2 and removes water vapours from ammonia is :

Options

A.CaO
B.CaCl2
C.CaCO3
D.Ca(NO3)2

Solution

CaO + CO2 → CaCO3 ; CaO + H2O  → Ca(OH)2 ↓.
3CaO + NH3 → Ca3N2.

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