Question

Aim : To study in size of a camphor when exposed to aim.
Need : In order to study change in state of matter.
Methodology : i) Take 2 pieces of camphor.
ii) Exposed it to air for few days.
iii) observe the changes taken place with respect to size to camphor.
observation :
inference :​

Answer 1

Required Answer:-

Aim :

• To study in size of a camphor when exposed to aim.

Need :

• In order to study change in state of matter.

Methodology :

• i) Take 2 pieces of camphor.
• ii) Exposed it to air for few days.
• iii) observe the changes taken place with respect to size to camphor$.$

Observation :

The original shape and size of the camphor has changed. It is smaller and distorted in shape.

Why so?

• Camphor (Ammonium chloride) is a volatile solid. It has the tendency to change into vapours if exposed for longer time or heated.
• Camphor reduced it's size because some camphor from the surface have sublimed and mixed with the atmosphere.

Answer 2

$\huge \fbox\gray{ Answer }$

$\bold{Aim : }$

To study in size of a camphor when exposed to

aim.

$\bold {Need :}$

In order to study change in state of matter Methodology.

• Take 2 pieces of camphor.
• Exposed it to air for few days.
• observe the changes taken place with respect to size to camphor.

$\bold{Observation : }$

The shape and size is smaller and distorted in shape of the camphor , So it's size and shape are changed.

$\bold{Inference?}$

• If Camphor put into the air , it changes it's shape and size ...