Question

what happens when sodium reacts
with water and oxygen why Na is stored in kerosene​

Answer 1

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Sodium is very reactive, and tends toreact with watervapour instantly when exposed to the air. ...Sodium is a very reactive metal. It is kept in kerosene to prevent it from coming in contact withoxygen and moisture. If thishappens, it will react with the moisture present in air and formsodium hydroxide.

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Answer 2

Answer:

Sodium metal reacts rapidly with water to form a colourless solution of sodium hydroxide (NaOH) and hydrogen gas (H2). The resulting solution is basic because of the dissolved hydroxide. ... During the reaction, the sodium metal may well become so hot that it catches fire and burns with a characteristic orange colour.

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. To prevent this explosive reaction, Sodium is kept immersed in kerosene because Sodium doesn't react with kerosene.