Q:
The appropriate relation between the surface area of any solid with that of the particle size can be stated as
Answer & Explanation
Answer: C) Surface area of any solid increases with decrease in particle size
Explanation: Surface area is always inversely related with the particle size. In the form of a single crystal, a few grams of solid has a surface area about to equal to the area of a large postage stamp. In the form of a finely divided powder, its surface area is about equal to the area of a hundred meter running track. Hence surface area increases with decrease in particle size.
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