which of the below affect diffusion?

I. Mass
II. Density
III. Temperature
IV. Nature of substance

A. I and II only
B. I, II and IV only
C. II, III and IV only
D. I, II, III and IV

Correct Answer:

Option B = I, II and IV only

Explanation

Rates of diffusion of a substance generally depend on density temp. and nature of substance II,III and IV