Question

................ is a normetal which catch fire in air​

Answer 1

Answer:

Phosphorus

Phosphorus is a non metal that catches fire when exposed to air. It is a highly reactive metal and spontaneously reacts with oxygen to catch fire.

Answer 2

phosphorus is a very reactive non-metal. It catches fire if exposed to air. To prevent the contact of phosphorus with atmospheric oxygen, it is stored in water.