Question

why is lithium metal stored under oil?​

Answer 1

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The lithium metal react with water producing lot of heat. As a result, the hydrogen evolved catches fire. They cannot be kept in air also because air contains moisture or water vapours. These are kept under kerosene to avoid contact with both air and water.

Answer 2

☆Because it is the most reactive metal and it can easily reacts with..the other elements that are present in the nature☆