Advertisements
Advertisements
प्रश्न
Which of the following substances will precipitate the negatively charged emulsions?
(i) \[\ce{KCl}\]
(ii) glucose
(iii) urea
(iv) \[\ce{NaCl}\]
Advertisements
उत्तर
(i) \[\ce{KCl}\]
(iv) \[\ce{NaCl}\]
Explanation:
Negatively charged emulsion can be precipitated by oppositely charged electrolyte. \[\ce{Na+}\] and \[\ce{K+}\] from the electrolyte can neutralize the negatively charge emulsion and precipitate the colloid.
APPEARS IN
संबंधित प्रश्न
Write Hardy-Sulze rules.
Write a note on Types of emulsion.
Explain Electrophoresis diagramatically.
What are the applications of Electrophoresis?
Draw labelled diagram Dialysis.
Draw labelled diagram of Bredig’s arc method.
Which of the following is multimolecular colloid?
Which of the following is an example of liquid-liquid system?
Which of the following is NOT true for lyophilic colloids?
Tyndall effect is observed due to ____________.
Smoke is an example of ____________.
Which of the following can form colloidal sol with water?
Tyndall effect is useful ______.
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 electrolytes will have maximum coagulating value for AgI/Ag+ solution?
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.
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?
Identify the correct decreasing order of precipitation power of flocculating ion added, from following.
