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Out of the oxides given below, which of ...

Out of the oxides given below, which of them cannot be reduced by `H_(2)`
I `(Al_(2)O_(3))` ,II (CuO), (III)(ZnO)

A

only I

B

I and II

C

I,II, and III

D

III and II.

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The correct Answer is:
A
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DINESH PUBLICATION-HYDROGEN-UNIT TEST - II
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  10. Hydrogen gas is not obtained when zinc reacts with

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  12. Heavy water is so called because

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