Oxidation and Reduction Quiz Quiz

10 multiple choice questions

1. Oxidation is defined as the:

A) Gain of electrons B) Loss of electrons C) No electron change D) Proton transfer

2. Reduction is defined as the:

A) Loss of electrons B) Gain of electrons C) No electron change D) Oxygen loss

3. OIL RIG stands for:

A) Oxidation Is Losing, Reduction Is Gaining electrons B) Oxidation Is Gaining, Reduction Is Losing electrons C) Oxidation Is Neutral, Reduction Is Gaining electrons D) Oxidation Is Losing, Reduction Is Losing electrons

4. In the reaction Fe + O2 -> Fe2O3 (rusting), iron is:

A) Reduced B) Oxidized C) Both oxidized and reduced D) Not involved

5. A reducing agent causes another substance to:

A) Gain electrons (be reduced) B) Lose electrons (be oxidized) C) Have no electron change D) Form ions

6. The rusting of iron involves:

A) Reduction of iron B) Oxidation of iron to form iron oxide C) Combustion of iron D) Sublimation of iron

7. An oxidizing agent causes another substance to:

A) Gain electrons (be reduced) B) Lose electrons (be oxidized) C) Have no electron change D) Form bonds

8. In all redox reactions, electrons are:

A) Created B) Destroyed C) Transferred between substances D) Unchanged

9. The combustion of methane (CH4) is:

A) Only reduction B) Only oxidation C) Both oxidation and reduction occurring simultaneously D) Neither oxidation nor reduction

10. In a redox reaction, the species that gets reduced:

A) Is the reducing agent B) Is the oxidizing agent C) Loses electrons D) Has no change

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