Question

✓ A student added few pieces of aluminium metal to two test tubes A and
B containing aqueous solutions of iron sulphate and copper sulphate. In
the second part of her experiment, she added iron metal to another test
tubes Cand D containing aqueous solutions of aluminium sulphate and
copper sulphate. In which test tube or test tubes will she observe
colour change ? On the basis of this experiment, state which one is the
most reactive metal and why? Give chemical reaction. ​

Answer 1

Answer:

sodium chloride or sulphur