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 meters away.
(c) Water at room temperature is a liquid.
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Answered by
3
Answer:
(a) sublimation
(b) diffusion (more inter particular spaces , thus more kinetic energy)
(c) inter particular forces (weaker than solids but stronger than gases)
Answered by
5
Answer:
a. naphthalene balls disappear with time without leaving any solid because it is a sublimable substance
b. because substances diffuses with air more fast is other one
c. because it is flowable and have not its own definite shape and size
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