Question

why sodium is kept immersed in kerosene oil

Answer 1

hi mate,

Sodium is a very reactive metal. It is kept in kerosene to prevent it from coming in contact with oxygen and moisture. If this happens, it will react with the moisture present in air and form sodium hydroxide. This is a strongly exothermic reaction, and lot of heat is generated.

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Answer 2

Metals such as potassium and sodium react so vigorously that they catch fire if kept in open. Hence, to protect them and to prevent accidental fires they are kept immersed in kerosene oil