In the following question, more than one of the answers given may be correct. Select answers and mark it according to the code :
In a cell `Zn(s)|Zn^(2+)||H^(+)|H_(2) (Pt)`, the addition of `H_(2)SO_(4)` to the cathode compartment, will :
1. decrease E
2. increase E
3. shift equilibrium to left
4. shift equilibrium to right
A. 1, 2 and 3 are correct
B. 1 and 2 are correct
C. 2 and 4 are correct
D. 1 and 3 are correct
