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प्रश्न
Draw labelled diagram of Bredig’s arc method.
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उत्तर
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संबंधित प्रश्न
Write one difference in Multimolecular colloid and Associated colloid
Define the following with a suitable example, of each:
Gel
Choose the correct option.
The size of colloidal particles lies between ______.
Write a note on the Tyndall effect.
Write a note on Brownian motion.
Write a note on Types of emulsion.
Froth and whipped cream are examples of ____________.
The order of coagulating power of following ions in the coagulation of a positive sol is:
i. \[\ce{PO^{3-}_4}\]
ii. \[\ce{SO^{2-}_4}\]
iii. \[\ce{[Fe(CN)6]^{4-}}\]
iv. \[\ce{NO^-_3}\]
Mixing of two oppositely charged sols leads to ____________.
Smoke is an example of ____________.
Froth is a colloidal solution of ____________.
The movement of colloidal particles towards respective electrode under electric field is called ______.
A colloidal system having a solid substance as a dispersed phase and a liquid as a dispersion medium is classified as ______.
An emulsion cannot be broken by:
(i) heating
(ii) adding more amount of dispersion medium
(iii) freezing
(iv) adding emulsifying agent
What happens when electric field is applied to colloidal solution?
How do emulsifying agents stabilise the emulsion?
Why are some medicines more effective in the colloidal form?
On the basis of Hardy-Schulze rule explain why the coagulating power of phosphate is higher than chloride.
Why does bleeding stop by rubbing moist alum?
Colloids can
Fog is a colloidal solution of ______.
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?
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?
Blood may be purified by ______.
