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JCECE Engineering JCECE Engineering Solved Paper-2015

  • question_answer
    A person was using water supplied by municipality. Due to shortage of water, he started using underground water. He felt laxative effect. Its cause due to high concentration of

    A) \[C{{O}_{2}}\]                                   

    B) \[SO_{4}^{2-}\]

    C)  \[CO_{3}^{2-}\]                              

    D)  \[{{S}^{2-}}\]

    Correct Answer: B

    Solution :

    The laxative effect is observed only when the sulphates present in water have concentration greater than 500 ppm. Otherwise at moderate levels, it is harmless.


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