Answer:
1-no reaction
2magnesium sulphate
3 magnesium sulphate
4 zinc sulphate
5 no reaction
6 zinc sulphate
7 no reaction
8no reaction
9 iron2 sulphate
10 no reaction
11 no reaction
Step-by-step explanation:
Reactive metals displace least reactive metals but the least can't displace a more reactive metal than itself