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NEET Sample Paper NEET Sample Test Paper-58

  • question_answer
    pH of water is 7. When a substance Y is dissolved in water, the pH becomes 13. The substance Y is a salt of:

    A) Weak acid and weak base

    B) Strong acid and strong base

    C) Strong acid and weak base

    D) Weak acid and strong base

    Correct Answer: D

    Solution :

    [d] Weak acid and strong base pH=13 Means basic solution. pH form 7 to 14 indicates bases and basicity increase on from 7 to 14. Thus substance y must be weak acid and strong base.


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