why meniscus of mercury is convex?
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Mercury does not wet glass - the cohesive forces within the drops are stronger than the adhesive forces between the drops and glass. When liquid mercury is confined in a tube, its surface (meniscus) has a convex shape because the cohesive forces in liquid mercury tend to draw it into a drop.
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a convex meniscus occurs when the molecule have stronger attraction to each other than to the container as Mercury and glass
I hope this is correct
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