Water remains as drops on the polythene surface but, it forms a thin l – InterviewSolution

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1.	Water remains as drops on the polythene surface but, it forms a thin layer on the surface of a properly cleaned glass plate. Explain.
Answer» SOLUTION :(i) COHESIVE, adhesive forces. (ii) Composition of polythene. (iii) Composition of glass. (iv) Forces between water and polythene. (V) Forces ACTING between water and glass. (vi) COMPARISON of these forces.

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