Calcium cyanamide is used as fertiliser because on hydrolysis it gives _______ .
A
ammonia
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B
calcium carbide
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C
nitrogen gas
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D
nitrogen oxide
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Solution
The correct option is C ammonia The main use of calcium cynamide is in agriculture as a fertilizer. In contact with water it decomposes and liberates ammonia. CaCN2+3H2O→2NH3+CaCO3