Exploring Displacement Reactions in Metals

Which of the following metals is the most reactive according to the reactivity series?

• Copper

• Potassium

• Iron

• Silver

In a displacement reaction, which metal will displace zinc from zinc sulphate solution?

• Copper

• Iron

• Magnesium

• Silver

Which of the following is the correct order of reactivity from most reactive to least reactive?

• Potassium, Magnesium, Iron, Copper

• Copper, Iron, Magnesium, Potassium

• Iron, Potassium, Copper, Magnesium

• Magnesium, Copper, Potassium, Iron

What is the main reason why gold is found in its native state in the Earth’s crust?

• It is very reactive

• It is a good conductor

• It is very unreactive

• It is magnetic

Which metal would NOT displace iron from iron(II) sulphate solution?

• Zinc

• Magnesium

• Copper

• Potassium

If a piece of magnesium is placed in copper(II) sulphate solution, what will you observe?

• No reaction

• The solution turns green

• A brown solid forms and the blue colour fades

• The solution gets colder

Which metal is less reactive than iron but more reactive than silver?

• Copper

• Zinc

• Magnesium

• Potassium

Why does potassium react violently with water, while copper does not react at all?

• Potassium is less dense than copper

• Potassium is higher in the reactivity series than copper

• Copper is a better conductor of electricity

• Copper is heavier than potassium

Which metal is the most reactive according to the reactivity series?

• Copper

• Iron

• Potassium

• Gold

Which of the following metals will not displace copper from copper sulphate solution?

• Zinc

• Iron

• Silver

• Magnesium