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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
Choose the correct option.
The size of colloidal particles lies between ______.
Write a note on the Tyndall effect.
What happens when a beam of light is passed through a colloidal sol.
Draw labelled diagram Dialysis.
Froth and whipped cream are examples of ____________.
Which one of the following methods is used to make platinum sol?
Which of the following is multimolecular colloid?
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. \[\ce{NO^-_3}\]
Smoke is an example of ____________.
Tyndall effect is useful ______.
In which of the following sols there is low affinity between dispersed phase and dispersion medium?
A colloidal system having a solid substance as a dispersed phase and a liquid as a dispersion medium is classified as ______.
Which of the following substances will precipitate the negatively charged emulsions?
(i) \[\ce{KCl}\]
(ii) glucose
(iii) urea
(iv) \[\ce{NaCl}\]
What is collodion?
A colloid is formed by adding \[\ce{FeCl3}\] in excess of hot water. What will happen if excess sodium chloride is added to this colloid?
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.
Starch is an example of which of the following type of colloid?
Identify the correct decreasing order of precipitation power of flocculating ion added, from following.
