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Question
The liquid that does not wet the solid surface has an ______ angle of contact.
The liquid that does not wet the solid surface has an ______ angle of contact.
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Solution
The correct option is A Obtuse
When liquid molecules are attracted strongly to themselves and weakly to those of solids, it costs lots of energy to create liquid-solid surface and liquid then does not wet the solid.
Obtuse
When liquid molecules are attracted strongly to themselves and weakly to those of solids, it costs lots of energy to create liquid-solid surface and liquid then does not wet the solid.
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