Question

sodium potassium and lithium are stored under oil give reason

Answer 1

sodium ,potassium, lithium are stored under oil because they are highly reactive with oxygen . so thats why they are kept under oil.

Answer 2

Answer:

Sodium, potassium and lithium are stored in oil to prevent their reaction with air.

Explanation:

Sodium, potassium and lithium are some of the alkali metals which have similar properties as they share same group in the table. They appear silvery and are so soft that even a plastic knife can cut them into pieces. They are very reactive in standard pressure and temperature than other elements, so they have to be isolated from contact with air.

Kerosene or oil is used to prevent the elements from reacting with air. Reaction can be vigorous in heavier alkali metals.

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