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question mark

The angle of contact between pure water and pure glass, is

(a) 0°

(b) 45o

(c) 90°

(d) 135o

Hrishant Goswami , 12 Years ago
Grade 10
anser 1 Answers
Amit Saxena

(a)

We know that angle of contact is the angle between the tangent to liquid surface at the point of contact and solid surface inside the liquid. In case of pure water and pure glass, the angle of contact is zero.

Last Activity: 12 Years ago
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