11th Class Chemistry States of Matter Question Bank 11th CBSE Chemistry States of Matter

  • question_answer Water meniscus in a glass tube is concave while that of mercury is convex. Why?


                    In case of water, the adhesive forces in the molecules of glass and water are stronger than the cohesive forces in the water molecules. Therefore, the meniscus of water is concave. However, in mercury, the cohesive forces are stronger than the adhesive forces. As a result, its meniscus is convex.

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