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CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2001

  • question_answer
    \[\text{10}\,\text{d}{{\text{m}}^{\text{2}}}\]of \[{{\text{N}}_{2}}\]gas and \[\text{10}\,\text{d}{{\text{m}}^{3}}\]of gas X at the same temperature and pressure contain the same number of molecules The gas X is:

    A) \[NO\] 

    B) \[{{H}_{2}}\]

    C)  \[C{{O}_{2}}\]or \[Co\]

    D)  all of these

    Correct Answer: D

    Solution :

    According to Avagadro's law, equal volumes of all gases at same temperature and pressure contain equal number of molecules. Hence gas X may be \[NO,{{H}_{2}},C{{O}_{2}}\]or \[CO.\]


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