Question

Give reason for the following observations,
,
(a) Naphthalene balls disappear with time without leaving
any solid
(b) We can get the smell of perfume sitting several metres
away
er of force
ima​

Answer 1

Answer:

Naphthalene undergoes sublimation easily i.e., the change of state of naphthalene from solid to gas without the intervention of the liquid state. Thus, naphthalene balls keep on forming naphthalene vapours which disappear into the air with time without leaving any solid.

Answer 2

xvnclkljhkjgczd ayo dm xm gi tschk