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  3. CET Karnataka Engineering

CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2003

  • question_answer
    In the manufacture of sulphuric acid by contact process, Tyndall box is used to :

    A)  filter dust particles

    B)  remove impurities

    C)  convert \[S{{O}_{2}}\] to \[S{{O}_{3}}\]

    D)  test the presence of dust particles

    Correct Answer: D

    Solution :

    Dust is a colloid which shows Tyndall effect. Hence Tyndall box is used to test the presence of dust in gaseous mixture, as dust decrease the effectiveness of catalyst.


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