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Evaporation is described as which kind of phenomenon?
AA surface one
BA settled one
CA sudden one
DA shifting one
Answer & Solution
Correct answer: A. A surface one
1. Only the topmost particles escape.
2. Boiling by contrast involves the bulk.
3. Evaporation is a surface phenomenon.
_Source: NCERT Class 9 Science, Ch 1 'Matter in Our Surroundings'_
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