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Name a process by which coagulation of l...

Name a process by which coagulation of lyophobic sol can be carried out.

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Coagulation of hyophobic sol can be carried out by electrophoresis.
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The coagulation of the lyophobic sols can be carried out by

What is meant by coagulation of a colloidal solution? Name any method by which coagulation of lyophobic sols can be carried out.

Read the given passage and answer the question that follow: Colloidal particles always carry an electric charge which may be either positive or negative. For example, when AgNO_3 solution is added to KI solution, a negatively charged colloidal sol is obtained. The presence of equal and similar charges on colloidal particles provide stability to the colloidal sol and if, somehow, charge is removed. coagulation of sol occurs. Lyophobic sols are readily coagulated as compared to lyophilic sols. Name one method by which coagulation of lyophobic sol can be carried out.

Read the given passage and answer the question that follow: Colloidal particles always carry an electric charge which may be either positive or negative. For example, when AgNO_3 solution is added to KI solution, a negatively charged colloidal sol is obtained. The presence of equal and similar charges on colloidal particles provide stability to the colloidal sol and if, somehow, charge is removed. coagulation of sol occurs. Lyophobic sols are readily coagulated as compared to lyophilic sols. Name one method by which coagulation of lyophobic sol can be carried out.

What is ment by coagulation of colloidal solution ? Describe briefly and three methods by which coagulation of lyophobic sols can be carried out.

Lyophobic sols are:

Which one of these is a lyophobic sol?

DINESH PUBLICATION-SURFACE CHEMISTRY -QUESTION FROM BOARD EXAMINATIONS
  1. How does increase in tempeature affect both physical and chemical adso...

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  2. What do you understand by shape selective catalysis? Why are zeolites ...

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  3. Name a process by which coagulation of lyophobic sol can be carried ou...

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  4. What is a reversible sol. ?

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  5. How are the folowihg colloids different with respwct ot dispersed phas...

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  6. Give one example of aerosol and gel.

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  7. Classify colloids where dispersion medium is water. State their charac...

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  8. Explain what is observed when : (i) a beam of light is passed throug...

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  9. Adsorption Theory Of Heterogeneous Catalysis

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  10. Which of the following is the most effective electrolyte for the coagu...

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  11. Give reasons for the following : (i) Peptazing agent is added to con...

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  12. name the type of potential difference between fixed charged layer and ...

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  13. (a) Heat of adsorption is greater for chemisorptions than physisorptio...

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  14. Ferric chloride is applied to stop bleeding cut because

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  15. Give one main difference between lyophobic and lyphilic colloids.

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  16. Name two groups in which the phenomenon of catalysis can be divided. G...

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  17. Write differences between physisorption and chemisorption.

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  18. Define the following terms giving one example of each. (i) Electroph...

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  19. What is the particles size in a coloidal solution ?

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  20. Which of the two, adsorption or absorption, is surface phenomenon?

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