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    Question

    A concave meniscus is formed

    when:
    A Cohesive forces are weaker than adhesive forces Correct Answer Incorrect Answer
    B Cohesive forces are stronger than adhesive forces Correct Answer Incorrect Answer
    C Cohesive and adhesive forces are equal Correct Answer Incorrect Answer
    D Meniscus shape is unaffected by these forces Correct Answer Incorrect Answer

    Solution

    A concave meniscus occurs when the adhesive forces between a liquid and the container walls exceed the cohesive forces between the liquid molecules. An example is water in a glass container.

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