Question

24
The following observations were made by a student on treating four metals P,
Q. R and S with the given salt solutions
Sample MgSO (aq)
Zn(NO3)2(aq) CaSO4(aq)
Na2SO4(aq)
n.
P
No reaction
Reaction
No reaction
Reaction
occurs
t
occurs
0
Reaction
Reaction
Reaction
Reaction
occurs
occurs
occurs
occurs
R
No Reaction
No Reaction
No Reaction
Reaction
Occurs
S
No Reaction
No Reaction
No Reaction
No Reaction
Based on the above observations
(a) Arrange the given samples in the increasing order of reactivity
(b) Write the chemical formulae of products formed when Q reacts with
CuSO, solution​

Answer 1

your answer is in this pic