Lesson 4.4.1.1
4.4.1.1 Metal oxides Quiz: AQA Chemistry, Unit 4
20 questions
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Lesson 4.4.1.1, Metal oxides: 20 multiple choice questions for the AQA GCSE Chemistry (8462), Unit 4: Chemical changes, written with Revision Ninja.
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The 20 questions
-
What is formed when metals react with oxygen?
- Metal oxides
- Metal chlorides
- Metal hydroxides
- Metal carbonates
-
What type of reaction is a metal reacting with oxygen?
- Reduction
- Precipitation
- Oxidation
- Neutralisation
-
In terms of oxygen, what is oxidation?
- Loss of oxygen
- Loss of protons
- Gain of oxygen
- Gain of hydrogen
-
In terms of oxygen, what is reduction?
- Gain of hydrogen
- Loss of oxygen
- Formation of salts
- Gain of oxygen
-
What happens to a metal when it reacts with oxygen to form a metal oxide?
- It is reduced
- It is neutralised
- It is oxidised
- It is displaced
-
Copper oxide loses oxygen to become copper. Which substance is reduced?
- Copper oxide
- Oxygen
- Carbon
- Copper
-
Iron rusts in air by gaining oxygen. Which statement is correct?
- Iron is reduced
- Iron is unchanged
- Iron is oxidised
- Iron loses oxygen
-
In 2Mg + O2 -> 2MgO, which substance is oxidised?
- Oxygen
- Neither
- Magnesium oxide
- Magnesium
-
Which process represents a chemical oxidation reaction?
- Metal gaining oxygen
- Metal dissolving in acid
- Metal gaining electrons
- Metal losing oxygen
-
A metal oxide is heated with carbon and loses oxygen. What process happened to the oxide?
- Neutralisation
- Oxidation
- Reduction
- Combustion
-
What do metals gain when they form oxides?
- Chlorine
- Hydrogen
- Carbon
- Oxygen
-
Magnesium ribbon burns brightly in air. What is the product?
- Magnesium hydroxide
- Magnesium chloride
- Magnesium nitrate
- Magnesium oxide
-
Why is copper oxide reduced when heated with carbon?
- It gains electrons
- It loses carbon
- It gains oxygen
- It loses oxygen
-
Why does a metal oxide weigh more than the original metal?
- Oxygen is added
- Carbon is added
- Heat increases mass
- Water is absorbed
-
What type of reaction always involves both oxidation and reduction occurring together?
- Thermal decomposition
- Neutralisation
- Redox reaction
- Precipitation
-
Zinc oxide is heated with carbon to make zinc. Which substance is reduced?
- Zinc oxide
- Carbon
- Carbon monoxide
- Zinc
-
What general name is given to a substance that gains oxygen in a reaction?
- Oxidised
- Reduced
- Hydrated
- Neutralised
-
What is the correct mass change when a metal burns to form its oxide?
- Mass stays constant
- Mass increases
- Mass becomes zero
- Mass decreases
-
Which product forms when calcium reacts with oxygen?
- Calcium oxide
- Calcium carbonate
- Calcium hydroxide
- Calcium chloride
-
In metal extraction using carbon, what happens to the metal oxide?
- It is reduced
- It is neutralised
- It is oxidised
- It is polymerised
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