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Q.
Nitrolim is a mixture of:
EAMCETEAMCET 1998
Solution:
Nitrolim is a mixture of calcium cyanamide and carbon $ (CaC{{N}_{2}}+C). $ It is used as fertilizer. It is prepared when calcium carbide is heated with $ {{N}_{2}} $ at $ \text{1000}{{\,}^{\text{o}}}\text{C}\text{.} $ $ Ca{{C}_{2}}+{{N}_{2}}\xrightarrow{1000{{\,}^{o}}C}\underbrace{CaC{{N}_{2}}+C}_{\text{Nitrolim}} $