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Choose the correct option for why sodium is kept immersed in kerosene oil?

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It reacts with moisture in air.

Immersing in kerosene oil will cut the air supply.

All the above

It reacts violently with air.

answer is D.

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Detailed Solution

Sodium is highly reactive metal. It reacts with oxygen in air at room temperature, the reaction is highly exothermic.

To prevent this sodium is kept preserved under kerosene.

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