Teaching Rajasthan Basic Computer Instructor 2021 Mock Test General Science Chemistry Chemical Bond and Molecular Structure
Which of the following reactions will not take place?
1
Zn + FeSO4 → ZnSO4 + Fe
2
2KI + Cl2 → 2KCl + I2
3
Zn + MgSO4 → ZnSO4 + Mg
4
Mg + CuSO4 → MgSO4 + Cu