Question

Which of the following pair will not exhibit diffusion?
(a) Salt, water
(b) Hydrogen, oxygen
(c) Oxygen, water
(d) Sand, water

Answer 1

Answer:

The term diffusion is the movement of molecules or atoms from a region of high concentration to a region of low concentration as a reason of random motion of the molecules or atoms.

The pair that will not exhibit diffusion is c. Salt and sand.

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Explanation: