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प्रश्न
Draw labelled diagram of Soap micelle.
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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:
Gel
Identify the dispersed phase and dispersion medium in the following colloidal dispersions.
- milk
- blood
- printing ink
- fog
Explain Electrophoresis diagramatically.
What are the applications of Electrophoresis?
What happens when a beam of light is passed through a colloidal sol.
Explain micelle formation in a soap solution.
Draw labelled diagram Dialysis.
Draw labelled diagram of Bredig’s arc method.
Which of the following is multimolecular colloid?
Identify the CORRECT statements from the following.
i. The colour of colloidal dispersion depends on size of colloidal particles.
ii. Tyndall effect is used to distinguish between colloidal dispersion and true solution.
iii. Eosin and congo red are examples of negatively charged sols.
In coagulation of positively charged ferric hydroxide sol, the most and least effective ions are ____________ and ____________ respectively.
Which of the following statements is CORRECT?
Tyndall effect is observed due to ____________.
Smoke is an example of ____________.
Froth is a colloidal solution of ____________.
Which of the following is multimqlecular colloid?
Tyndall effect is useful ______.
Which of the following compounds forms a colloidal solution when dissolved in water?
Freshly prepared precipitate sometimes gets converted to colloidal solution by ______.
A colloidal system having a solid substance as a dispersed phase and a liquid as a dispersion medium is classified as ______.
Gelatin which is a peptide is added in icecreams. What can be its role?
What happens when electric field is applied to colloidal solution?
How does the precipitation of colloidal smoke take place in Cottrell precipitator?
The size of a raw mango shrinks to a much smaller size when kept in a concentrated salt solution. Which one of the following processes can explain this?
Blood may be purified by ______.
Van Arkel's method of purification of metals involves converting the metal to a ______.
