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

  • question_answer 68) DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) Baking soda is a mild base that is used in toothpastes and mouthwashes to neutralize acids, which can produce unpleasant odours. (ii) An alkali is a water soluble acid.

    A) Statement (i) is correct while statement (ii) is incorrect

    B) Statement (ii) is correct while statement (i) is incorrect.

    C) Both statements are correct

    D) Both statements are incorrect.

    Correct Answer: A

    Solution :

    An alkali is a water soluble base.

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