2. Sample Papers
  3. 8th Class
  4. General Knowledge

8th Class General Knowledge Sample Paper General Knowledge Sample Test Paper-10

  • question_answer
    Which one of the following is called the laughing gas?

    A)  Nitrous Oxide

    B)  Hydrogen Oxide

    C)  Sodium Sulphate Oxide

    D)  Sulphur Oxide

    E)  None of these

    Correct Answer: A

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