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प्रश्न
Why are some medicines more effective in the colloidal form?
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उत्तर
Medicines are more effective in the colloidal form because of large surface area and are easily assimilated in this form.
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संबंधित प्रश्न
Distinguish between lyophobic and lyophilic sols.
Identify the dispersed phase and dispersion medium in the following colloidal dispersions.
- milk
- blood
- printing ink
- fog
Write a note on Types of emulsion.
Explain Electrophoresis diagramatically.
Explain the term emulsion and types of emulsions.
Identify the CORRECT statement.
Which of the following is an example of liquid-liquid system?
The precipitation power of an electrolyte increases with ______.
Maximum coagulation power is in ____________.
Which of the following is NOT true for lyophilic colloids?
Mixing of two oppositely charged sols leads to ____________.
Froth is a colloidal solution of ____________.
Which of the following ionic species has highest precipitating power?
An emulsion cannot be broken by:
(i) heating
(ii) adding more amount of dispersion medium
(iii) freezing
(iv) adding emulsifying agent
Which of the following substances will precipitate the negatively charged emulsions?
(i) \[\ce{KCl}\]
(ii) glucose
(iii) urea
(iv) \[\ce{NaCl}\]
How do emulsifying agents stabilise the emulsion?
Colloids can
Toluene is oxidised to benzoic acid by
Fog is a colloidal solution of ______.
