Question

The metal which is stored in kerosene is

• A. Calcium
• B. Magnesium
• C. Sodium
• D. Zinc

Hint:

Very reactive alkali metals such as \[ \boxed{\text{Sodium (Na) and Potassium (K)}} \] are stored under kerosene to prevent reaction with air and water.

Answer 1

The Correct Option is C

Concept: Highly reactive metals such as sodium react vigorously with oxygen and moisture present in air. Therefore, they are stored under kerosene to prevent such reactions.

Step 1: Identify the highly reactive metal.
Among the given options,
• Calcium -- Reactive, but not commonly stored in kerosene.
• Magnesium -- Less reactive than sodium.
• Sodium -- Highly reactive; stored in kerosene. \checkmark
• Zinc -- Moderately reactive.

Step 2: Reason for storage.
Sodium reacts rapidly with \[ \text{Oxygen} \quad \text{and} \quad \text{Water}, \] which may even cause fire. Kerosene prevents contact with air and moisture.

Step 3: Final conclusion.
Hence, the metal stored in kerosene is \[ \boxed{\text{Sodium}.} \]