9th Class Science Sample Paper Science Olympiad Model Test Paper-17

  • question_answer
    32. Calculate the number of molecules of chloroform \[(CHC{{I}_{3}})\]weighing \[0.0239\text{ }g\text{ }(H=1,C=12,\,Cl=35.5)\].

    A) \[1.2046\times {{10}^{22}}\]

    B) \[2.2046\times {{10}^{19}}\]

    C) \[1.4046\times {{10}^{17}}\]

    D) \[1.2046\times {{10}^{20}}\]

    E) None of these

    Correct Answer: D


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