CSEC Chemistry · January 2017 · Paper 1 · Question Q1
In which of the following situations is Brownian motion demonstrated?
- (A)Pollen grains moving at random in water
- (B)The scent of perfume moving from one part of a room to another
- (C)The swelling of red beans when soaked in water
- (D)Loss of heat from a hot body to a cold body
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