Lesson 5.4.1.1
5.4.1.1 Metal oxides Quiz: AQA Combined Science, Unit 11
20 questions
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Lesson 5.4.1.1, Metal oxides: 20 multiple choice questions for the AQA GCSE Combined Science (8464), Unit 11: Chemical changes, written with Revision Ninja.
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The 20 questions
-
What type of reaction is a metal reacting with oxygen?
- Reduction
- Thermal decomposition
- Oxidation
- Neutralisation
-
What is produced when a metal reacts with oxygen?
- A metal hydroxide
- A metal carbonate
- A metal oxide
- A metal chloride
-
In terms of oxygen, what is oxidation?
- Loss of water
- Loss of oxygen
- Gain of oxygen
- Gain of hydrogen
-
In terms of oxygen, what is reduction?
- Gain of hydrogen
- Gain of oxygen
- Loss of carbon
- Loss of oxygen
-
Which substance is oxidised when magnesium reacts with oxygen to form magnesium oxide?
- Magnesium oxide
- Water
- Oxygen
- Magnesium
-
Copper reacts with oxygen when heated in air. What is the product?
- Copper(II) oxide, CuO
- Copper carbonate
- Copper(I) hydroxide
- Copper sulfide
-
Which word equation correctly shows the formation of a metal oxide?
- Magnesium + oxygen -> magnesium oxide
- Magnesium oxide -> magnesium + oxygen
- Magnesium + water -> magnesium oxide
- Magnesium -> magnesium oxide + oxygen
-
What is the formula of iron(III) oxide?
- Fe2O
- FeO
- Fe2O3
- Fe3O4
-
Which equation is balanced for aluminium reacting with oxygen to form the only product?
- 4Al + 3O2 -> 2Al2O3
- Al + 3O2 -> 2Al2O3
- Al + O2 -> Al2O3
- 2Al + O2 -> Al2O3
-
Which substance is reduced in the reaction CuO + H2 -> Cu + H2O?
- Hydrogen
- Copper(II) oxide
- Copper
- Water
-
Which substance is oxidised in the reaction CuO + H2 -> Cu + H2O?
- Copper(II) oxide
- Copper oxide
- Copper
- Hydrogen
-
In terms of oxygen, what does oxidation involve?
- Loss of oxygen
- Gain of electrons
- Gain of oxygen
- Loss of electrons
-
5.0 g of copper reacts completely with oxygen to form 6.25 g of copper(II) oxide. What mass of oxygen was gained?
- 5.0 g
- 1.25 g
- 0.8 g
- 6.25 g
-
Which equation shows magnesium being oxidised by oxygen?
- MgO + CO2 -> MgCO3
- Mg + H2O -> MgO + H2
- 2Mg + O2 -> 2MgO
- 2MgO -> 2Mg + O2
-
What is the formula of aluminium oxide?
- AlO
- Al3O2
- Al2O
- Al2O3
-
13 g of zinc (Zn = 65) is burned in oxygen to form zinc oxide (ZnO, Mr 81). What mass of zinc oxide forms?
- 16.2 g
- 20.2 g
- 13.0 g
- 3.2 g
-
When a metal oxide is heated with carbon, which substance is oxidised?
- Metal
- Metal oxide
- Carbon
- Carbon dioxide
-
Which chemical process is a classic example of an oxidation reaction?
- Acid neutralising alkali
- Dissolving sugar in water
- Thermal decomposition of salt
- Metal burning in air
-
4.8 g of magnesium (0.2 mol) is completely burned in oxygen. What mass of magnesium oxide forms? (MgO = 40)
- 4.8 g
- 3.2 g
- 12.8 g
- 8.0 g
-
What is formed when a metal reacts with oxygen?
- Metal oxide
- Metal carbonate
- Metal sulfate
- Metal hydroxide
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