1.

Nitrolim is a mixtrue ofA. `CaCN_(2)+N_(2)`B. `CaCN_(2)+` graphiteC. `CaCN_(2)+` diamondD. `CaC_(2)+` graphite

Answer» Correct Answer - 2
The mixture of calcium cyanamide,`CaCN_(2)` and graphite ,`C`, is technically known as nitrolim.
Calcium cyanamide a black crystalline power made by heating calcium dicarbide `CaC_(2)` in nitrogen at `1000^(@)C`
`CaC_(2)+N_(2)overset(1000^(@)C)rarrCaNCN+C`
It is used in large amounts as a nitrogenous fertillizer as it is converted by water in the soil into ammonia.
`CaNCN+5H_(2)OrarrCaCO_(3)+2NH_(4)OH`
It is used as a source of organic chemicals such as melamine.


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