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MEDIUMMCQ SINGLENEET ChemistryInorganic Chemistryp -Block Elements (group 15-18)Chemical Properties of Group 15 Elements

Which of the following reactions is used in the preparation of N₂?

A.NH₄Cl + NaNO₂

B.Ca(OCl)₂ + NH₃

C.(NH₄)₂ Cr₂O₇

D.All of these

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