Question

Aqueous solutions of zinc sulphate and iron sulphate were taken in the test tubes I and II by four students. A, B, C and D. Metal pieces of iron and zinc were dropped in the two solutions and observations made after several hours and recorded in the form of a table as given below Observation by
Metal
Solution
Colour change of solution
Deposit/Residue obtained
A
Fe
ZnSO4
turned green
silvery grey coating
A
Zn
FeSO4
no change
no change
B
Fe
ZnSO4
no change
black residue
B
Zn
FeSO4
colour faded
grey coating
C
Fe
ZnSO4
no change
no change
C
Zn
FeSO4
turned colourless
black residue
D
Fe
ZnSO4
no change
grey residue
D
Zn
FeSO4
no change
black residue
The correct reporting has been made observations reported by the student (1) A
(2) B
(3) C
(4) D

Answer 1

Explanation:

correct observation was made by A

Answer 2

Answer:

c option is correct...from where you have given this ques... please reply...??