Question

metallic oxides of zinc magnesium and copper were heated with the follwing metals​

Answer 1

Answer:

these metallic oxide are heated in the presence of small amount of air i.e roasting

Answer 2

Answer:

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Explanation:

In which cases, will you find displacement reactions taking place ? Answer: Magnesium (Mg) will displace both zinc (Zn) and copper (Cu) from their oxides Zinc will displace copper from copper oxide. Copper is least reactive and will not participate in displacement reaction.