Multiple choice

Sodium metal is kept under _____.

  1. water

  2. alcohol

  3. petrol

  4. kerosene

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

Sodium reacts violently with water and alcohol, so kerosene is used to store it safely. Kerosene is inert toward sodium and forms a protective layer that prevents contact with air moisture. Petrol (gasoline) is also used, but kerosene is more common in laboratory settings.

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