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Question

When a crystal of potassium permaganate is gentle placed in water itdiffues-------(fast/slowly).

Answer 1

Don't you hate these as the answer depends on your frame of reference.

I would say that they are looking for slowly as a small crystal takes minutes to a small number of hours to diffuse into the volume of a test tube. If the volume was much larger (a swimming pool)then it might take days. However, both of which are fast on the geological time scale.