Question

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Answer 1

Answer:

1) Metal oxide

2) Hydrogen gas

3) Cu+ZnSO4

4)MgCl2+H2

5)Na2ZnO2+H2

Answer 2

Answer:

1.metaloxide

2.metalhydroxide

3.znso4

4.mgcl+h2

5.na2zno2+H.2