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10th Class Science Acids, Bases and Salts / अम्ल, क्षार एवं लवण Question Bank Acid, Bases and Salts

  • question_answer
    Which compound is added to acidic lake water to prevent killing of fishes?

    A) Potassium chloride

    B) Ferrous sulphate

    C) Calcium carbonate

    D) Ammonium chloride

    Correct Answer: C

    Solution :

    Calcium carbonate is added to acidic lake water which neutralizes the acidic effect and prevents the fishes being killed.


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