Question

20. Read the following and answer any four questions from 20 (i) to 20 (v).
A student was given Mg, Zn, Fe and Cu metals. He puts each of them in dil. He
contained in different test tubes.
20. (i) Which is the correct order of reactivity?
(a) Mg < Zn < Fe < Cu
(b) Mg < Fe < Zn< Cu
(c) Mg > Zn > Fe > Cu
(d) Mg > Fe > Zn > Cu
20. (ii) Which will given Hy with its 5%?
(a) Mg
(b) Cu
(c) Zn
(d) Fe
20. (iii) Choose the correct statement.
(a) Cu metal will be displaced by all metals
(b) Cu metal will displace the all other metals
(c) Mg metal will be displaced by all other metals
(d) None of these correct
20. (iv) Which of these reaction(s) is/are correct?
(a) Cu +H SO, → CuSO4+H21
(b) Fe + H2SO4 FeSO, + H21
(c) Zn+H SO, ZnSO4+H21
(d) All of the above​

Answer 1

20.(i) (c) Mg > Zn> Fe > Cu

20.(iii) (a) Cu metal will be displaced by metals

Bhai 2nd nhi aata aur 4th ke options galat hai...

Answer 2

Answer:

I can't answerSoioo sorry