7th Class Science Sample Paper Science Olympiad Model Test Paper-21

  • question_answer
    Match the following.
    (A) Tartaric acid (I) soap
    (B) Calcium hydroxide (II) curd
    (C) Formic acid (III) unripe mangoes
    (D) Sodium hydroxide (IV) ant?s sting
    (E) Lactic acid (V) lime water

    A) A - III, B - IV, C - V, D - I, E - II

    B) A - III, B - V, C - IV, D - I, E - II

    C) A - III, B - V, C - IV, D - II, E - I

    D) A - I, B - V, C - IV, D - III, E - II

    E) None of these

    Correct Answer: B


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