Question

4.why is potassium stored in water ? ​

Answer 1

Answer:

This helps us in keeping the metals safe and helps provide safety to the user. Sodium and potassium metals react very vigorously with water; this reaction gives out so much heat that the hydrogen evolved causes fire. Therefore , these metals are stored in kerosene.

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Answer 2

Answer:

Sodium and potassium metals reacts very vigorously with water; this reaction gives out so much heat that the hydrogen evolved catches fire.