Why does water in a container show a concave meniscus?
a)molecules of the liquid are attracted to those of the container
b)molecules of the liquid are attracted to each other
c)due to cohesive force
d)all the above
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Answer:
a) molecules of the liquid are attracted to those of the container.
Explanation:
A concave meniscus, which is what you normally will see, occurs when the molecules of the liquid are attracted to those of the container. This occurs with water and a glass tube. A convex meniscus occurs when the molecules have a stronger attraction to each other than to the container, as with mercury and glass..
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