7th Class Science Acids, Bases and Salts Question Bank Acids, Bases and Salts

  • question_answer 9) Which of the following is not a base?

    A) Magnesium hydroxide

    B) Calcium hydroxide

    C) Calcium carbonate

    D) Sodium hydroxide

    Correct Answer: C

    Solution :

    Calcium carbonate is a salt, while all other are bases.

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