Advertisements
Advertisements
Question
Identify the dispersed phase and dispersion medium in the following colloidal dispersions.
- milk
- blood
- printing ink
- fog
Solution
Colloidal dispersion | Dispersed phase | Dispersion medium |
Milk | Liquid | Liquid |
Blood | Solid | Liquid |
Printing ink | Solid | Liquid |
Fog | Liquid | Gas |
APPEARS IN
RELATED QUESTIONS
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
Define the term Electrophoresis.
Write a note on Brownian motion.
What are the applications of Electrophoresis?
What happens when a beam of light is passed through a colloidal sol.
Explain Bredig’s arc method.
Explain the term emulsion and types of emulsions.
Which of the following is multimolecular colloid?
Identify the CORRECT statements from the following.
i. The colour of colloidal dispersion depends on size of colloidal particles.
ii. Tyndall effect is used to distinguish between colloidal dispersion and true solution.
iii. Eosin and congo red are examples of negatively charged sols.
Mist is a colloidal solution of ____________.
Which of the following is an example of liquid-liquid system?
Smoke is an example of ____________.
Which of the following can form colloidal sol with water?
Tyndall effect is useful ______.
Pumice stone is an example of ______.
Which of the following electrolytes will have maximum coagulating value for AgI/Ag+ solution?
An emulsion cannot be broken by:
(i) heating
(ii) adding more amount of dispersion medium
(iii) freezing
(iv) adding emulsifying agent
Why are some medicines more effective in the colloidal form?
How does the precipitation of colloidal smoke take place in Cottrell precipitator?
On the basis of Hardy-Schulze rule explain why the coagulating power of phosphate is higher than chloride.
Toluene is oxidised to benzoic acid by
Cloud is an example of
The migration of dispersion medium under the influence of an electric potential is called ______.
Which of the following is most powerful to coagulate the negative colloid?
Which of the following electrolytes will be most effective in coagulating negative sol?
Blood may be purified by ______.
Starch is an example of which of the following type of colloid?