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प्रश्न
Define the term Electrophoresis.
उत्तर
The movement of colloidal particles under an applied electric potential 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.
Explain Electrophoresis diagramatically.
What are the applications of Electrophoresis?
Draw labelled diagram Dialysis.
Draw labelled diagram of Bredig’s arc method.
Draw labelled diagram of Soap micelle.
Which type of colloid is formed on the dissolution of soap in water?
Froth and whipped cream are examples of ____________.
Identify the CORRECT statement.
In coagulation of positively charged ferric hydroxide sol, the most and least effective ions are ____________ and ____________ respectively.
Which of the following statements is CORRECT?
The precipitation power of an electrolyte increases with ______.
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. \[\ce{NO^-_3}\]
Which of the following is NOT true for lyophilic colloids?
Smoke is an example of ____________.
Pumice stone is an example of ______.
Which of the following compounds forms a colloidal solution when dissolved in water?
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 ______.
Gelatin which is a peptide is added in icecreams. What can be its role?
How do emulsifying agents stabilise the emulsion?
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 |
Blood may be purified by ______.
Van Arkel's method of purification of metals involves converting the metal to a ______.
Identify positively charged sol from following.
