The element which catches fire in air at `30^(@)C` and is stored under water is ___________.

The element which exists in the liquid state at 30^(@)C .

Sodium catches fire in water. Why?

Substances which catch fire are called

Why is white phosphorus stored under water?

(a). Name one metal which is stored in kerosene oil. (b). Name one non-metal which is stored under water.