When water is in contact with waxed glass suface the angle of contact is
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Answer:
obtuse angle (> 90°)
Explanation:
The angle between the tangent to the liquid surface at the point of contact, and solid surface, inside the liquid is called angle of contact for a given pair of solid and liquid.
As angle of contact of water and wax coating object will be obtuse, i. e, (>90°) the wax coated object acts as a water proofing agent.....
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