Assertion (A) > : On a wet floor of a bathroom, a small circular area around a pinch of foam appears to be dry. Reason (R) > : Soap molecules reduce surface tension and increase surface area of the thin layer of water on the wet floor.

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Q: 100 (NDA-II/2009)

Assertion (A) : On a wet floor of a bathroom, a small circular area around a pinch of foam appears to be dry.
Reason (R) : Soap molecules reduce surface tension and increase surface area of the thin layer of water on the wet floor.
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question_subject: 

Science

question_exam: 

NDA-II

stats: 

0,25,5,25,4,1,0

keywords: 

{'soap molecules': [0, 0, 2, 0], 'wet floor': [0, 0, 1, 0], 'surface tension': [0, 0, 2, 3], 'surface area': [0, 2, 1, 0], 'foam': [1, 0, 1, 0], 'water': [65, 15, 80, 129], 'bathroom': [0, 0, 1, 1], 'small circular area': [0, 0, 1, 0], 'thin layer': [0, 0, 1, 2]}