At high temperature, nitrogen combines with CaC2 to give___________.
A
calcium cyanide
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B
calcium cyanamide
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C
calcium carbonate
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D
calcium nitride
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Solution
The correct option is B calcium cyanamide Calcium carbide is used in the production of calcium cyanamide by means of reacting it with nitrogen in a high temperature. CaC2+N2→CaCN2+C