state gov UP Police Head Operator (Radio Cadre) Mock Test General Science Chemistry Electrochemistry
A certain current liberated 0.504 g of hydrogen in 2 hours. How many grams of copper can be liberated by the same current flowing for the same time in a copper sulphate solution
1
12.7 g
2
16.0 g
3
31.8 g
4
63.5 g