Question

what would a student report nearly after 30 min.of placing duly cleaned strips of Al,Cu,Fe,and Zn is freshly prepared iron sulphate solution taken in 4 beakers ​

Answer 1

The Student will observe displacement reaction in the breakers with pure metals of aluminium and zinc.

In rest of testubes nothing will happen.

Hope this helps you.

Answer 2

To reduce vehicular pollution, compulsory 'Pollution under control' certificates are introduced for vehicles by Traffic Police.

Cu+feso4 gives no reaction. Fe+feso4 gives the following that include the Zn+feso4 gives znso4+ Fe. Al + feso4.

It also mainly gives also 4+Fe so zinc and mainly included with all the other aspects for ensuring that you could to extensive aspects without any hassle.