2. Sample Papers
  3. 7th Class
  4. Science

7th Class Science Sample Paper Science Olympiad Model Test Paper-6

  • question_answer
    Oxide of which one of the following non-metals is dissolved in water for preparing an acid?

    A) Nitrogen

    B) Carbon

    C) Sulphur

    D) All of these

    E) None of these

    Correct Answer: D

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