When copper is plated on steel, anode is made up of ___.
2. In electrorefining of copper, 1% of H2SO4 is added to electrolyte to _______.
A) increase its conductivity
B) increase its dilution
C) DECREASE its conductivity
D) decrease its concentration
3. When the current is passed through an electrolyte solution, which of the following will occur ?
A)anions move towards anode and cations will move towards cathode
B) cations and anions both move towards anode
C) cations and anions both move towards cathode
D)anions move towards cathode and cations move towards anode
4. Which one of the following conducts electricity due to migration of electrons
A) copper metal
B) fused NaCl
C) solid NaCl
D) solution of NaCl
5. Which one of the following is good conductor of electricity ?
A) pure water
B) impure water
D) none of these
Sorry for bothering and thanks.