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Surface Chemist...

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  • Question 1
    1 / -0

    When silica gel and anhydrous calcium chloride are placed in an atmosphere of high humidity, then which of them will have more moisture in the bulk?

  • Question 2
    1 / -0

    Which of the following colloidal solutions is a positive sol?

  • Question 3
    1 / -0

    Which of the following statements is not true?

  • Question 4
    1 / -0

    When a 5 g piece of charcoal is added to a 0.75 M CH3COOH, the concentration drops to 0.73 M. The extent of adsorption is

  • Question 5
    1 / -0

    Choose incorrect statement about physical adsorption.

  • Question 6
    1 / -0

    Which of the following catalysis can be explained by adsorption theory?

    a. Enzyme catalysis
    b. Acid-base catalysis
    c. Homogeneous catalysis
    d. Heterogeneous catalysis

  • Question 7
    1 / -0

    Which of the following characteristics is/are not correct for enzymes?

    a. Enzymes show maximum activity when pH is either very low or very high.
    b. Enzymes are normally heterogeneous catalysts that are very specific in action.
    c. Enzymes are specific biological catalysts that possess well-defined active sites.
    d. Chemically, all enzymes are globular proteins.

  • Question 8
    1 / -0

    The term 'sorption' stands for

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