What would a student report nearly after 30 minutes of placing duly cleaned strips of aluminium

What would a student report nearly after 30 minutes of placing duly cleaned strips of aluminium, copper, iron and zinc in freshly prepared iron sulphate solution taken in four beakers ? 

Answer

• There will be no reaction in the beakers having Fe strip & Cu strip.
• The solution having Al & Zn strip will show reaction / the solution of FeSO₄ having Al & Zn strip will become colourless.

• Exam Year: 2019