Question

(a)define melting point of a solid. what does melting point of solid indicate (b)name the common substance which undergo sublimation

Answer 1

a)The point at which solid melts is called melting point ice melts at 0 degree Celsius b)Camphor,Naphthalene

Answer 2

Answer: a) the minimum temperature at which a solid changes its state to liquid at atmospheric pressure is known as the melting point of a solid.

melting point of a solid indicates the strength of inter molecular force of attraction of a solid

b) the common substances which undergo sublimation are :

1) Camphor

2) Ammonium Chloride

3) Naphthalene

4) Anthracene