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प्रश्न
Draw labelled diagram Tyndall effect.
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उत्तर
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संबंधित प्रश्न
Comment on the statement that “colloid is not a substance but a state of substance”.
Write one difference in Multimolecular colloid and Associated colloid
Define the following with a suitable example, of each:
Multimolecular colloid
Define the term Electrophoresis.
Explain Bredig’s arc method.
Draw labelled diagram of Soap micelle.
Which of the following is multimolecular colloid?
Mist is a colloidal solution of ____________.
In coagulation of positively charged ferric hydroxide sol, the most and least effective ions are ____________ and ____________ respectively.
Which of the following is NOT true for lyophilic colloids?
Mixing of two oppositely charged sols leads to ____________.
Smoke is an example of ____________.
Which of the following compounds forms a colloidal solution when dissolved in water?
Which of the following ionic species has highest precipitating power?
Which of the following electrolytes will have maximum coagulating value for AgI/Ag+ solution?
An emulsion cannot be broken by:
(i) heating
(ii) adding more amount of dispersion medium
(iii) freezing
(iv) adding emulsifying agent
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(i) \[\ce{KCl}\]
(ii) glucose
(iii) urea
(iv) \[\ce{NaCl}\]
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What happens when electric field is applied to colloidal solution?
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Match the items of Column I and Column II.
| Column I | Column II |
| (i) Butter | (a) dispersion of liquid in liquid |
| (ii) Pumice stone | (b) dispersion of solid in liquid |
| (iii) Milk | (c) dispersion of gas in solid |
| (iv) Paints | (d) dispersion of liquid in solid |
Toluene is oxidised to benzoic acid by
Which of the following substances will precipitate the negatively charge emulsion
The migration of dispersion medium under the influence of an electric potential is called ______.
In which of the following, the Tyndall effect is not observed?
Which of the following is most powerful to coagulate the negative colloid?
Smoke is an example of ______.
Which of the following electrolytes will be most effective in coagulating negative sol?
Identify the colloidal molecule containing hydrophilic head and hydrophobic tail within it.
