Multiple choice

When an electric current flows through a conducting solution, it causes a chemical change. The chemical reactions brought about by an electric current will not produce which of the following effects?

a. Change in colour of solution may occur. b. Deposits of metal will be formed on the sides of the container. c. Bubbles of a gas or gases may be formed on the electrodes.

  1. Only a

  2. Only a and b

  3. Only b

  4. Only b and c

  5. Only c

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct option as the chemical reactions brought about by an electric current will not deposit metal on the sides of the container. It may deposit metal on electrodes.