Question

Question 3. 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.

Answer 1

$\huge { \underline{ \bf \red{HEYA\:MATE}}}]$

$\huge{ \boxed { \boxed { \underline{ \bf \purple {\mathbb {ANSWER}}}}}}]$

(a) Naphthalene balls undergo sublimation due to which it converts directly into vapours and disappear into air without leaving any solid.

(b) The particles of perfume diffuse rapidly into the air and its smell can be felt while sitting several metres away.

$\huge{ \boxed {\blue { \underline { \underline {\green { \bf \red{THANK\:YOU}}}}}}}]$

${ \underline{ \bf \green{FOLLOW\:ME}}}$

${ \underline{ \bf \blue{VISHU\:PANDAT}}}]$

Answer 2

Answer:

a) Naphthalene balls disappear with time due to a process known as Sublimation.

b) Because rate of diffusion in air is very high.

Plzzz mark me as the Brainliest