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Question

CaC₂ + N₂ → ____ + C

WBBSE Class X Physical Science Inorganic Chemistry 01 Mark 2025

Answer

CaNCN / CaCN₂ (Calcium cyanamide)

Explanation:

Haber’s process uses Fe as catalyst for N₂ + 3H₂ → 2NH₃; CaC₂ + N₂ → CaCN₂ + C is nitrogen fixation.

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