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

  • question_answer 109) DIRECTIONS: Match Column-I with Column-II and select the correct answer using the codes given below the columns.
    Column - I Column - II
    (A) Oxalic acid (p) As an eye-wash, antiseptic and grain preservation
    (B) Nitric acid (q) For making explosives
    (C) Boric acid (r) In food preservation
    (D) Benzoic acid (s) As a constituent of ink stain remover

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

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

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

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

    Correct Answer: D

    Solution :

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

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