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K and Na are kept in kerosene to prevent them from reacting with oxygen and moisture in the air, which would quickly tarnish their surfaces. Kerosene forms a protective layer that helps to maintain the reactivity and appearance of these reactive metals.

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Q: Why K and Na are kept in kerosene?
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Sodium is a metal that is commonly kept immersed in kerosene for storing because it reacts violently with water and oxygen in the air. Placing it in kerosene helps prevent these reactions and keeps the metal stable.


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When Sodium metal kept immersed in kerosene as it catches fire if exposed to air but why is it not kept in water?

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Why do sodium kept immersed in kerosene oil do not burn?

Sodium reacts violently with water, releasing hydrogen gas and forming sodium hydroxide. When sodium is kept immersed in kerosene oil, it is isolated from water, preventing the reaction from occurring. Kerosene oil acts as a barrier to keep oxygen away from the sodium, further preventing combustion.


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