2. Sample Papers
  3. 8th Class
  4. Science

8th Class Science Sample Paper Science Olympiad Model Test Paper-6

  • question_answer
    Which poisonous gas is formed as a result of incomplete combustion of hydrocarbon fuel?

    A) Coal gas

    B) Carbon monoxide

    C) Carbon dioxide

    D) Nitrogen oxide

    E) None of these

    Correct Answer: B

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