Multiple choice

Which of the following statements is not true?

  1. Common salt makes pure water a better conductor.

  2. When current is passed through electrodes immersed in water, oxygen bubbles are formed at the positive terminal and hydrogen bubbles at the negative terminal.

  3. Distilled water is a good conductor of electricity.

  4. Rain water is a good conductor of electricity as small amounts of mineral salts are naturally present in it.

  5. Lemon juice makes pure water a better conductor.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Distilled water is a poor conductor of electricity.

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