Engineering
Chemistry
Payload and Barometric Distribution of Pressure
Question
A liquid will not wet the surface of a solid if the angle of contact is
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Solution
Hint: Contact angle is the measure of ability of a liquid to wet the surface
Explanation:
A liquid will not wet the surface of a solid or poor wetting if its angle of contact is more than 90º. It means meniscus must be convex.
For example mercury.
Correct option is D
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