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AMU Medical AMU Solved Paper-2010

  • question_answer
    Adding detergents to water helps in removing dirty greasy stains. This is because it increases the oil-water surface tension it decreases the oil-water surface tension it increases the viscosity of the solution dirt is held suspended surrounded by detergent molecules

    A)  2 and 4                

    B)  1 only

    C)  3 and 4                                

    D)  4 only

    Correct Answer: A

    Solution :

                     Adding detergents to water helps in removing dirty greasy stains. This is because it decreases the oil water surface tension and dirt is held suspended surrounded by detergent molecules.


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