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Types of chemical reactions

Types of chemical reactions

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Question 29

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?

A

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

B

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

C

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

D

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

Markscheme

Types of chemical reactions Questions

  1. GCSE
  2. /Chemistry
  3. /Types of chemical reactions

55 exam-style questions on OCR GCSE Chemistry Types of chemical reactions. Each one has a worked solution and a mark scheme showing where the marks go.

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