Types of chemical reactions

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Question 30
Easy

The chemical equation shows a redox reaction:

CuO+Mg→MgO+Cu \text{CuO} + \text{Mg} \rightarrow \text{MgO} + \text{Cu} CuO+Mg→MgO+Cu

Which statement about oxidation is correct?

The loss of oxygen and the loss of electrons by a substance

The loss of oxygen and the gain of electrons by a substance

The gain of oxygen and the gain of electrons by a substance

The gain of oxygen and the loss of electrons by a substance

Types of chemical reactions Questions

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