Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 General Science Chemistry Chemical Reaction

Select from the following the reaction(s) that is/are possible :

A. Al2{SO4)3 (aq) + Cu (s) →

B. FeSO4 (aq) + Zn (s) →

C. CuSO4 (aq) + Fe (s) →

D. Al2(SO4)3 (aq) + Zn (s) →

1
A and B
2
A
3
A and D
4
B and C
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