Advertisements
Advertisements
Question
An emulsion cannot be broken by:
(i) heating
(ii) adding more amount of dispersion medium
(iii) freezing
(iv) adding emulsifying agent
Advertisements
Solution
(ii) adding more amount of dispersion medium
(iv) adding emulsifying agent
Explanation:
An emulsion cannot be broken by adding more amount of dispersion medium and emulsifying agent. It can be broken by heating, freezing, etc.
APPEARS IN
RELATED QUESTIONS
Distinguish between lyophobic and lyophilic sols.
Explain Bredig’s arc method.
Explain the term emulsion and types of emulsions.
Draw labelled diagram of Bredig’s arc method.
Which of the following is multimolecular colloid?
The precipitation power of an electrolyte increases with ______.
Mixing of two oppositely charged sols leads to ____________.
Tyndall effect is observed due to ____________.
Pumice stone is an example of ______.
Which of the following compounds forms a colloidal solution when dissolved in water?
Which of the following ionic species has highest precipitating power?
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) \[\ce{NaCl}\]
Gelatin which is a peptide is added in icecreams. What can be its role?
What is collodion?
For coagulating 200 ml of arsenious sulphide sol, 10 ml of 1 m NaCl solution is required find out the flocculation value of NaCl.
Which of the following is most powerful to coagulate the negative colloid?
Blood may be purified by ______.
