Question

student edit few pieces of aluminium metal to to test tube A and B containing aqua solution of iron sulphate and copper sulphate in the second part of our experiment she added iron metal to another test tube c and d containing aqueous solution of Aluminium Sulphate and copper survey in which test tube of test tube will see of the colour change on the basis of this experiment state which one is the most reactive metal and why

Answer 1

i think D is more reactive.

Answer 2

test tube a b and d will be observed with change in colour.
aluminium is the most reactive metal here as it displaces copper and iron from their aqueous solutions.