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  3. 10th Class
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10th Class Science Solved Paper - Science-2017 Outside Delhi Set-I

  • question_answer
    Write the molecular formula of the 2nd and the 3rd member of the homologous series whose first member is methane.

    Answer:

    Ethane \[{{C}_{2}}{{H}_{6}}\]
    Propane \[{{C}_{3}}{{H}_{8}}\]


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