Question

Give two ways in which melting points and boiling points can be useful.

Answer 1

Answer:

The answer is given below :

Explanation:

We know,

Boiling point is the  temperature at which a liquid boils and turns to vapour.

whereas,

Melting point is the temperature at which a solid turn into liquid

The two ways in which the boiling and melting points can be useful are :

1 ) With the help of these points we can check whether the substance is pure or not.

2 ) Also we can identify and characterise the substance.

Answer 2

Answer:

They are useful in many ways like:

Explanation:

1) By these we can identify the substance

2) We can also know the pureness of substance by this