Multiple choice

Which of the following metals can displace zinc from a solution of zinc sulphate?

  1. Lead

  2. Magnesium

  3. Iron

  4. Mercury

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A more reactive metal can displace a less reactive metal from its salt solution. Magnesium is more reactive than zinc (higher in reactivity series), so it can displace zinc from zinc sulphate solution. Lead, iron, and mercury are less reactive than zinc.