Question
What is nitrolim? Mention its use.
Answer
The black mixture of calcium cyanamide and carbon is commercially known as nitrolim.
Preparation: When calcium carbide is heated in nitrogen at about 1000°C (1273 K), calcium cyanamide is produced with the separation of carbon.
CaC2 + N2 = CaCN2 + C
Uses: It is largely used as fertilizer.
