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Corrosion

From the foll...

Question

From the following which is not a surface phenomenon?

A

Corrosion

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B

Crystallisation

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C

Heterogeneous catalysis

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D

Water and its vapour in a closed vessel

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Solution

The correct option is B Crystallisation
The phenomenon that takes place at the surface, are termed as surface phenomenon. Among the given processes, crystallisation takes place in the bulk, not at the surface, so it is not a surface phenomenon.

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