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- 1. Multiple Choice
Which row correctly describes oxidation in terms of oxygen, electrons and oxidation state?
A
B
C
D
- 2. Multiple Choice
Magnesium reacts with iron(III) oxide in the following reaction.
A
B
C
D
- 3. Multiple Choice
Lead(II) oxide undergoes a number of different redox reactions. In which of the following reactions is lead(II) oxide,PbO, not reduced?
A
B
C
D
- 4. Multiple Choice
The following equations are all examples of redox reactions. In which equation is the underlined substance being oxidised?
A
B
C
D
- 5. Multiple Choice
Three reactions are shown below.
NO+O3 →NO2 +O2
2C +O2 → 2CO
2MgO+O2 → 2MgO
Which row correctly describes the process each reactant molecule undergoes?
A
B
C
D
- 6. Multiple Choice
Which row correctly describes the process of reduction in terms of oxygen, electrons, and oxidation state?
A
B
C
D
- 7. Multiple Choice
A series of redox reactions are shown.What is the oxide that undergoes oxidation?
2CO+2NO→ 2CO2 +N2
Fe2O3 +2Al → Al2O3 +2Fe
2ZnO+C → 2Zn +CO2
Fe2O3 +3CO→ 2Fe+3CO2
A
B
C
D
- 8. Multiple Choice
In which reaction is the reactant being reduced?
A
B
C
D
- 9. Multiple Choice
Which row correctly describes an oxidising agent and a reducing agent?
A
B
C
D
- 10. Multiple Choice
Hydrogen and copper(II) oxide react to produce copper metal and water.
CuO + H2 → Cu +H2O Which row correctly describes the oxidising agent and reducing agent?
A
B
C
D
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