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.
3CaO + NH3 → Ca3N2.
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