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Shape of Meniscus. |
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Answer» Water has a concave meniscus whereas mercury has a convex meniscus . In case of water, adhesive forces are stronger than cohesive forces. In case of mercury, cohesive forces are stronger than adhesive forces. • Cohesive forces – Attractive forces existing between molecules of same substance e.g. between water molecules or mercury molecules. • Adhesive forces – Attractive forces existing between molecules of different substances like water and glass or mercury and glass. |
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