Question

Explain-

a. solid have fixed shape and volume
b. the temperature of a substance doesn't change its melting point or boiling point​

Answer 1

Answer:

A is true

Explanation:

a. solid have fixed shape and volume because the solid particle is tightly packed and unable to movent of particals so it have fixed volume and shape

Answer 2

Explanation:

a)Solids have a definite volume and shape because particles in a solid vibrate around fixed locations.

b)When heat is supplied to a solid, say ice, it starts melting. But temperature does not rise even after continuous supply of heat until all ice melts. The extra heat supplied, is used in melting of ice, which is called latent heat of fusion.