Discussion
The liquid or solution which undergoes a chemical change in it on account of the passage of an electric current, is called ________.
Answer: A
The liquid or solution that undergoes a chemical change on the passage of an electric current is called an electrolyte. Examples are acidified water, copper sulphate solution and molten salts, which contain ions that carry the current and are discharged at the electrodes.
The anode and cathode are the electrodes, the positive and negative plates dipped in the electrolyte, and an ion is a charged particle. They are not the liquid in which the change occurs, so the first option is correct.
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