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CaO+C\xrightarrow[{heating}]{Strong}A\xrightarrow{N_2}B. A and B are (1) CaC_2 and Ca(CN)_2 (2) Ca_2C and CaCN_2 (3)Ca_2C_3 and Ca(CN)_2 (4) CaC_2 and CaCN_{

Answer» CaO+C\xrightarrow[{heating}]{Strong}A\xrightarrow{N_2}B. A and B are (1) CaC_2 and Ca(CN)_2 (2) Ca_2C and CaCN_2 (3)Ca_2C_3 and Ca(CN)_2 (4) CaC_2 and CaCN_{


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