Question

1.Why is sodium kept immersed in kerosene oil?​

Answer 1

Sodium metal is highly reactive. If it is kept open it can explosively react with oxygen, carbon dioxide and moisture present in the air. They catch fire and start burning.To prevent this explosive reaction and the After Effects sodium is kept immersed in kerosene oil.

Answer 2

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Sodium and Potassium are highly reactive metals and react vigorously with the oxygen, carbon dioxide and moisture present in the air such that it may even cause a fire.