Q.

Which property of nanoparticles provides a driving force for diffusion?

A. optical properties
B. high surface area to volume ratio
C. sintering
D. there is no such property
Answer» B. high surface area to volume ratio
Explanation: the nanoparticles provide a high driving force for diffusion, as it has a high surface area to volume ratio. this driving force is even higher at elevated temperatures.
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