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प्रश्न
What happens when electric field is applied to colloidal solution?
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उत्तर
When electric field is applied to colloidal solution then charged colloidal particles move towards oppositely charged electrodes. This phenomenon is called electrophoresis.
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संबंधित प्रश्न
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 Brownian motion.
What are the applications of Electrophoresis?
Explain Bredig’s arc method.
Explain micelle formation in a soap solution.
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.
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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. \[\ce{NO^-_3}\]
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Colloids can
The coagulation of 200 ML of position sol took place when 0.73 HCL was added to its without changing the volume much. The flocculation value of HCL for the colloid is.
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Blood may be purified by ______.
Van Arkel's method of purification of metals involves converting the metal to a ______.
Identify the correct decreasing order of precipitation power of flocculating ion added, from following.
