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Surface Chemist...

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  • Question 1
    1 / -0

    Heating a piece of charcoal will facilitate which of the following processes?

  • Question 2
    1 / -0

    Which of the following is not a characteristic of chemisorption?

  • Question 3
    1 / -0

    The dispersed phase in colloidal iron (III) hydroxide and that in colloidal gold are positively and negatively charged, respectively. Which of the following statements is not correct?

  • Question 4
    1 / -0

    Solution A is 0.2 M acetic acid and solution B is 0.5 M acetic acid. If 1 g of charcoal is added to both the solutions, then the extent of adsorption is

  • Question 5
    1 / -0

    When a 2 g piece of charcoal is added to a 0.25 M CH3COOH solution, the concentration drops to 0.23 M. The extent of adsorption is

  • Question 6
    1 / -0

    When an excess of a very dilute aqueous solution of KI is added to a very dilute solution of silver nitrate, the colloidal particles of silver iodide which are associated with Helmholtz double layer are

  • Question 7
    1 / -0

    Cottrell precipitator is installed in chimneys because

  • Question 8
    1 / -0

    Homogeneous catalysis proceeds through the formation of

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