Question

Which of the following metals can displace aluminium from an aluminium sulphate solution?

• A. Mg
• B. Hg
• C. Fe
• D. Cu

Answer 1

Answer:

A. Mg

Magnesium (Mg) is highly reactive and placed higher in the reactivity series of metals, meaning it is more reactive than many other metals, including aluminium. ​Due to its position, magnesium can displace less reactive metals (like aluminium) from their compounds