A) Nitrogen and limestone
B) Calcium carbide and nitrogen
C) Calcium carbide and carbon
D) None of these
Correct Answer: D
Solution :
Calcium cyanamide \[(CaC{{N}_{2}})\] mixed with carbon is called nitrolim. \[_{Cal.Carbide}^{Ca{{C}_{2}}+{{N}_{2}}}\to \underbrace{CaC{{N}_{2}}+C}_{Nitro\lim }\]
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