Question

Angelique puts five drops of a liquid perfume on the back of her hand.
A few seconds later Angelique can smell the perfume.
This is because the perfume diffuses into her nose.
(i)Complete the sentence about diffusion.
In diffusion the perfume moves from an area of ------------ concentration to an area of -
----------------- concentration. [1]
(ii) Explain, using particle theory of matter, how diffusion takes place.

Answer 1

Answer:

(i) high low

(ii) from particle theory of matter we know that particles have random motion. Hence perfume diffuses due to this random motion

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