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7th Class Science Acids, Bases and Salts / अम्ल, क्षार एवं लवण Question Bank Acids, Bases and Salts

  • question_answer
    In an accident at a factory, some nitric acid was spilled. Which substance, when added in excess would neutralize the acid without leaving an alkaline solution?

    A)  Aqueous ammonia

    B)  Aqueous sodium hydroxide

    C)  Calcium carbonate

    D)  Water

    Correct Answer: C

    Solution :

    It undergoes neutralization to give calcium nitrate (a salt).The solution remains neutral. Calcium carbonate + nitric acid\[\to \]Calcium nitrate + water + carbon dioxide.


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