Question

a pale green solution of ferrus sulphate was taken in 4 separate test tubes marked I, II, III, and iv respectively.in which case(s)
(a) the colour of ferrus sulphate solution will match with the colour of test tube (I) ? give reason
(b) the colour of ferrus sulphate solution will fade and black mass will be deposited on the surface of the metal.

please please help me fast! ​

Answer 1

Answer:

A:-I, II, III

Reason is that cu, Zn.

B:-II, III

And

IV