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  1. Disappearance of pink colour of water of a well due of KMnO4 indicates that water contains

    2. A.
    acidity
    B.
    alkalinity
    C.
    turbidity
    D.
    organic matter
    E.
    all the above.

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    Answer : Option D

    Explanation :

    No answer description available for this question. Let us discuss.

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