Question

define the following with the help of example. a melting point b. Boiling​

Answer 1

Answer:

Melting point:Melting point is the temperature at which a solid becomes a liquid at normal atmospheric pressure.

Boiling point: Temperature at which the vapor pressure of the liquid equals the pressure surrounding the liquid and liquid change to vapor (and vice versa).

Evaporation:Evaporation is the process of a substance in a liquid state changing to a gaseous state due to an increase in temperature and/or pressure.

Explanation:

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Answer 2

a. The point where a solid starts melting is known as its melting point. example ice starts melting at 100degree Celsius.

b. The point of temperature where a liquid starts changing to vapor is known as its boiling point. example the boiling point of water is 100degree celsius