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Surface Chemist...

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  • Question 1
    1 / -0

    The fresh precipitate can be transformed in colloidal solution by:

  • Question 2
    1 / -0

    Cotrell precipitator works on the principle of:

  • Question 3
    1 / -0

    Activated charcoal is prepared by: 

  • Question 4
    1 / -0

    Match the Column-I with Column-II. Choose the correct' one from the alternatives (a), (b) , (c) and (d). 


    Column - IColumn-II
    P. Wilkinson catalyst I. trans -$$IrCl(CO)(PPh_3)_2$$
    Q. Speier catalystII. Hydrosilylation 
    R. Water gas shift catalyst III. $$RhCl (PPh_3)_3$$
    S. Zeolite ZSM-5 catalyst  IV. Synthetic gasoline
    V. Hydroformylation
     VI. Zinc-copper oxide

  • Question 5
    1 / -0

    Which of the following represents physical adsorption ?

  • Question 6
    1 / -0

    Which of the following is an example of absorption?

  • Question 7
    1 / -0

    In which one of the following properties, physisorption and chemisorption resemble each other?

  • Question 8
    1 / -0

    Which is correct about physical adsorption?

  • Question 9
    1 / -0

    Choose the wrong statement from the following.

  • Question 10
    1 / -0

    Which of the following curves represents the chemical adsorption? 

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