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Surface Chemist...

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  • Question 1
    1 / -0

    A colloidal system having a solid substance as a dispersed phase and a liquid as a dispersion medium is classified as:

  • Question 2
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    The name aquadag is given to the colloidal solution of:

  • Question 3
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    Which of the following reactions is not used for the preparation of a colloidal solution?

  • Question 4
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    The heats of adsorption (in $$kJ/mol$$) in physisorption or physical adsorption lie in the range of:

  • Question 5
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    Peptization denotes:

  • Question 6
    1 / -0

    Which one of the following is not a correct statement?

  • Question 7
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    To stop bleeding from an injury ferric chloride can be applied
    Which comment about the statement is justified?

  • Question 8
    1 / -0

    Peptization of $$Sn{ O }_{ 2 }$$ by $$NaOH$$ gives:

  • Question 9
    1 / -0

    Directions For Questions

    Emulsions are also the colloidal solutions in which disperse phase, as well as a dispersion medium, are liquids. It may be oil in water or water in oil type. Bancroft proposed that the phase in which the emulsion. Emulsifiers can be used to stabilize the emulsions. The emulsifier is more soluble becomes the outer phase of the emulsion. Emulsifiers can be used to stabilize the emulsion. Soaps, detergents, proteins, and gum etc., are used as emulsifiers.

    ...view full instructions

    Which of the following is homogeneous?

  • Question 10
    1 / -0

    Silver iodide is used for producing artificial rains because $$AgI$$:

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