Question

Define 'boiling point of a substance
Define the following terms :
(a) Melting (b) Boiling
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Answer 1

Explanation:

melting - change something from solid to liquid by means of heat and boiling - steaming or bubbling up under the action of heat

Answer 2

Answer:

(a) Melting point:-

The temperature at which a solid melts to become a liquid is called 'melting point.'

(b) Boiling point:-

The temperature at which a liquid starts boiling at the atmospheric pressure is known as its 'boiling point.'