Chemical Changes and Reactivity Quiz
Test your knowledge of chemical reactions, reactivity series, and displacement reactions for GCSE Combined Science AQA
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Quiz Questions & Answers
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Question 1: What happens when a more reactive metal is added to a solution containing ions of a less reactive metal?
Nothing happens
The less reactive metal is displaced from solution
Both metals form an alloy
The solution evaporates
Question 2: Why does magnesium react more vigorously with acid than zinc does?
Magnesium atoms are larger
Magnesium is more dense
Magnesium is higher in the reactivity series
Magnesium has more protons
Question 3: What observation indicates that a displacement reaction has occurred between copper sulfate solution and zinc?
The solution turns colorless and brown solid appears
The solution turns green
A gas is produced
The solution becomes hot
Question 4: Which metal would NOT displace copper from copper sulfate solution?
Magnesium
Silver
Iron
Zinc
Question 5: What type of bond is formed when a metal reacts with an acid?
Covalent bond
Ionic bond
Metallic bond
Hydrogen bond
Question 6: What products are formed when zinc reacts with hydrochloric acid?
Zinc chloride and hydrogen
Zinc oxide and water
Zinc hydroxide and chlorine
Zinc sulfate and oxygen
Question 7: Why does a piece of copper not react with dilute hydrochloric acid?
The acid is too dilute
Copper is below hydrogen in the reactivity series
The temperature is too low
Copper is unreactive with all acids
Question 8: Which statement about the reactivity series is correct?
Gold is the most reactive metal
The more reactive a metal, the more easily it loses electrons
All metals react with water
Reactivity decreases as you go down the series