Question

When the electric current is passed through a conducting solution, there is a change of colour of the solution. This indicates

• A. The heating effect of current.
• B. The magnetic effect of current.
• C. The chemical effect of current.
• D. The lighting effect of current.

Answer 1

The correct option is C The chemical effect of current.

Conducting electric current through a solution causes chemical reaction. This causes a change in colour and this is the chemical effect of electric current.