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

  • question_answer DIRECTIONS: Match Column-I with Column-II and select the correct answer using the codes given below the columns.
    Column - I (Common name) Column - II (Chemical name/ Chemical present)
    (A) Slaked lime (p) Zinc carbonate
    (B) Baking soda (q) Calcium hydroxide
    (C) Calamine solution (r) Sodium bicarbonate
    (D) Milk of Magnesia (s) Magnesium hydroxide

    A) (A) \[\to \] (p), (B) \[\to \] (q), (C) \[\to \] (r), (D) \[\to \] (s)

    B) (A) \[\to \] (q), (B) \[\to \] (r), (C) \[\to \] (p), (D) \[\to \] (s)

    C) (A) \[\to \] (r), (B) \[\to \] (s), (C) \[\to \] (q), (D) \[\to \] (p)

    D) (A) \[\to \] (s), (B) \[\to \] (p), (C) \[\to \] (q), (D) \[\to \] (r)

    Correct Answer: B

    Solution :

    (A) \[\to \] (q), (B) \[\to \] (r), (C) \[\to \] (p), (D) \[\to \] (s)


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