Question

5.
is a non-metal which catches fire in air.
6.
The only metal, which exists in the liquid state at room temperatures, is​

Answer 1

Answer:

5. Phosphorus

6. Mercury

Explanation:

5. Phosphorus is a very reactive non-metal which catches fire on reaction with air.So, it is stored in water to prevent the contact of air with it.

6.The metal which exist as a liquid at room temperature is mercury. Non-metal which exist as a liquid at room temperature is bromine