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
Define the term Electrophoresis.
Distinguish between lyophobic and lyophilic sols.
Explain the term emulsion and types of emulsions.
Explain micelle formation in a soap solution.
Draw labelled diagram of Bredig’s arc method.
Froth and whipped cream are examples of ____________.
Mist is a colloidal solution of ____________.
Which of the following is a heterogeneous mixture?
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 is multimqlecular colloid?
Tyndall effect is useful ______.
The movement of colloidal particles towards respective electrode under electric field is called ______.
Pumice stone is an example of ______.
A colloidal system having a solid substance as a dispersed phase and a liquid as a dispersion medium is classified as ______.
How does the precipitation of colloidal smoke take place in Cottrell precipitator?
Toluene is oxidised to benzoic acid by
Which of the following substances will precipitate the negatively charge emulsion
Fog is a colloidal solution of ______.
