......... is the compound which can remove both nitrogen and oxygen of – InterviewSolution

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1.	......... is the compound which can remove both nitrogen and oxygen of the air when it is passed over it at 1000^@C:
Answer» `CaC_2 & C ` `CaCl_2` `CaCN_2` `CA(CN)_2` SOLUTION :`CaC_2 + N_2 OVERSET(DELTA)to CaCN_2+ C_("(graphite)"), C + O_2 to CO_2`

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