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प्रश्न
Define the following terms: Lyophilic colloid
उत्तर
Colloidal sols directly formed by mixing substances such as gum, gelatine, starch and rubber with a suitable liquid (the dispersion medium) are called lyophilic sols.
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संबंधित प्रश्न
Write a method by which lyophobic colloids can be coagulated.
Out of sulphur sol and proteins, which one form multimolecular colloids?
Give reasons for the following observations: Lyophilic sol is more stable than lyophobic sol.
How are the colloidal solutions classified on the basis of physical states of the dispersed phase and dispersion medium?
How are colloids classified on the basis of Nature of dispersion medium
How are colloids classified on the basis of Interaction between dispersed phase and dispersion medium?
Which of the following interface cannot be obtained?
Which of the following colloids cannot be coagulated easily?
(i) Lyophobic colloids.
(ii) Irreversible colloids.
(iii) Reversible colloids.
(iv) Lyophilic colloids.
Match the items given in Column I and Column II.
Column I | Column II |
(i) Protective colloid | (a) \[\ce{FeCl3 + NaOH}\] |
(ii) Liquid-liquid colloid | (b) Lyophilic colloids |
(iii) Positively charged colloid | (c) Emulsion |
(iv) Negatively charged colloid | (d) \[\ce{FeCl3}\] + hot water |
Differentiate between the following:
Lyophobic Sol and Lyophilic Sol