मराठी

Which of the following metal oxides CANNOT be reduced by hydrogen? -

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प्रश्न

Which of the following metal oxides CANNOT be reduced by hydrogen?

पर्याय

  • CuO

  • ZnO

  • Fe3O4

  • MgO

MCQ

उत्तर

MgO

Explanation:

Dihydrogen decreases some metal's oxides and ions that are less reactive than iron.

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Hydrogen
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