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  1. When a detergent is added to pure water, its surface tension

    2. A.

     Increases
    B.

     Decreases
    C.

     Remains constant
    D.

     Becomes infinite

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    Answer : Option B

    Explanation :

    When detergent is added to water, it decreases the surface tension of the water. Compounds that lower water's surface tension are called surfactants, which work by separating the water molecules from one another.

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