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JCECE Engineering JCECE Engineering Solved Paper-2013

  • question_answer
    Physical adsorption of a gaseous species may change to chemical adsorption with

    A)  decrease in temperature

    B)  increase in temperature

    C)   increase in surface area of adsorbent

    D)   decrease in surface area of adsorbent

    Correct Answer: B

    Solution :

    At high temperature, gaseous species may dissociate into atoms which are chemisorbed \[e.g.,\]\[Ng\] on iron surface at\[\ge 773\,\,K\].


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