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Test for Ammonia

Gas obtained ...

Question

Gas obtained in laboratory on heating calcium formate an also give the equation.

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Solution

(HCOO)₂Ca + Heat --------> HCHO + CaCO₃
Ca- formate decomposes to formaldehyde and calcium carbonate.

CaCO₃ -------> CaO + CO₂
Calcium carbonate further decomposes to calcium oxide and carbon dioxide gas is released.

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