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UPSC Chemistry Organic Chemistry: Some Basic Principles & Techniques / कार्बनिक रसायन : कुछ मूलभूत सिद्धांत एवं तकन Question Bank Organic Chemistry

  • question_answer
          Gas welding used for welding broken pieces of iron, we normally use a mixture of:

    A) ethane and oxygen

    B) ethene and oxygen

    C) ethyne and oxygen

    D) ethene and air

    Correct Answer: C

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