Multiple choice

Why sodium is kept under kerosene?

  1. It remains fresh.

  2. It is protected from evaporation.

  3. Sodium reacts with moist air and changes into sodium hydroxide.

  4. None of these.

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

Sodium is a highly reactive alkali metal. It reacts vigorously with oxygen and moisture in the air to form sodium hydroxide and hydrogen gas, so it is stored in kerosene to prevent contact with air and water.