Worksheets(Revision) Using reactivity series and displacement reactions
Total questions: 20
Worksheet time: 10mins
Which metal can displace zinc from zinc sulfate solution?
Copper
Iron
Magnesium
Silver
What happens when calcium reacts with copper sulfate solution?
No reaction occurs
Calcium sulfate and copper are formed
Calcium displaces copper, forming calcium nitrate
Copper remains unchanged
Why does silver not react with hydrochloric acid?
Silver is very reactive
Silver is less reactive than hydrogen
Silver reacts only with strong bases
Silver forms a complex with the acid
Which of these is the correct product of heating zinc oxide with carbon?
Zinc and carbon dioxide
Zinc carbonate
Carbon monoxide and zinc
No reaction occurs
Which of these metals is extracted by displacement using zinc sulfate?
Iron
Lead
Gold
Calcium
Which reaction will occur when magnesium is added to a solution of zinc sulfate?
Magnesium sulfate and zinc are formed
No reaction occurs
Zinc magnesiumate is formed
Zinc sulfate and magnesium remain unchanged
What are the products of heating copper(II) oxide with carbon?
Copper and carbon monoxide
Copper and carbon dioxide
Copper carbonate and carbon
No reaction
Which of the following explains why gold does not corrode in moist air?
Gold is highly reactive
Gold is less reactive than oxygen
Gold reacts only with acids
Gold is unreactive due to its position in the reactivity series
What is the role of carbon in extracting metals from their oxides?
Oxidizing agent
Reducing agent
Catalyst
Inhibitor
Which metal will not displace iron from iron sulfate solution?
Zinc
Magnesium
Copper
Calcium
What is the observation when magnesium reacts with silver nitrate solution?
Formation of silver and magnesium nitrate
No reaction
Formation of magnesium oxide
Silver nitrate remains unchanged
In the reactivity series, which metal is most reactive?
Gold
Copper
Calcium
Silver
Which metal would be used in industry to extract zinc from zinc oxide?
Copper
Gold
Carbon
Magnesium
What is formed when zinc reacts with copper(II) chloride solution?
Zinc chloride and copper
Copper zincate
Zinc and copper chloride
No reaction
Which equation represents the reaction between iron and copper sulfate?
Fe + CuSO₄ → FeSO₄ + Cu
Cu + FeSO₄ → Fe + CuSO₄
Fe + Cu → FeCuSO₄
No reaction occurs
What is the balanced equation for the reaction of magnesium with hydrochloric acid?
Mg + HCl → MgHCl
Mg + 2HCl → MgCl₂ + H₂
MgCl₂ + H₂ → Mg + Cl₂
Mg + HCl → MgH₂
When zinc is heated with copper(II) oxide, what happens?
Zinc oxide and copper are formed
Copper oxide and zinc remain unchanged
Zinc and copper form an alloy
No reaction occurs
What happens when calcium carbonate is heated in a furnace?
Calcium oxide and carbon dioxide are formed
Calcium and oxygen are formed
Carbon dioxide is absorbed
No reaction occurs
Why is magnesium more suitable than zinc for displacing other metals?
Magnesium is less reactive
Magnesium is higher in the reactivity series
Magnesium forms stable oxides
Zinc is more expensive
Which of the following reactions demonstrates displacement?
Zn + CuSO₄ → ZnSO₄ + Cu
Mg + O₂ → MgO
Fe + H₂O → Fe₃O₄ + H₂
Na + Cl₂ → NaCl
