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Question
Detergents in hot water enable grease to be removed from the dishes by ____________.
Options
raising the surface tension of water
changing the angle of contact between grease and dish to an obtuse angle
changing the angle of contact between grease and dish to an acute angle
increasing the temperature of water
MCQ
Fill in the Blanks
Solution
Detergents in hot water enable grease to be removed from the dishes by changing the angle of contact between grease and dish to an obtuse angle.
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Effect of Impurity and Temperature on Surface Tension
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