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प्रश्न
Define the term Electrophoresis.
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उत्तर
The movement of colloidal particles under an applied electric potential is called electrophoresis.
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संबंधित प्रश्न
Comment on the statement that “colloid is not a substance but a state of substance”.
Define the following with a suitable example, of each:
Multimolecular colloid
Write Hardy-Sulze rules.
What are the applications of Electrophoresis?
Explain the term emulsion and types of emulsions.
Explain micelle formation in a soap solution.
Identify the CORRECT statement.
Mist is a colloidal solution of ____________.
Maximum coagulation power is in ____________.
Which of the following is multimqlecular colloid?
The movement of colloidal particles towards respective electrode under electric field is called ______.
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?
Which of the following process is responsible for the formation of delta at a place where rivers meet the sea?
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?
How do emulsifying agents stabilise the emulsion?
Why does bleeding stop by rubbing moist alum?
Why is \[\ce{Fe(OH)3}\] colloid positively charged, when prepared by adding \[\ce{FeCl3}\] to hot water?
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 |
Colloids can
Toluene is oxidised to benzoic acid by
Which of the following substances will precipitate the negatively charge emulsion
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?
The migration of dispersion medium under the influence of an electric potential is called ______.
Blood may be purified by ______.
