Question

Q. Materials existing as liquid have —
(a) Boiling point above room temperature and melting point below room temperature
(b) Boiling point and melting point above room temperature
(c) Boiling point and melting point below room temperature
(d) Boiling point below room temperature and melting point above room temperature ​

Answer 1

Answer:

A is the answer.

Explanation:

Material would be no more liquid if its boiling point equal to or lower than room temperature .

To remain in liquid state its, its point should be lower than room temperature, If its  melting point will greater than room temperature. Then it will exist as a solid at room temperature.

Answer 2

Answer:

A is you answer..

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