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12th Class Chemistry Haloalkanes and Haloarenes / हैलोएल्केन तथा हैलोएरीन्स Question Bank 12th CBSE Chemistry Haloalkanes and Haloarenes

  • question_answer
      What are freons?

    Answer:

      Chlorofluorocarbon of methane and ethane are collectively called freons. e.g.


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