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प्रश्न
Define the following terms: Associated colloids
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उत्तर
Substances which at low concentrations behave as normal strong electrolytes but at higher concentrations exhibit colloidal behaviour because of the formation of aggregates or micelles are known as associated colloids.
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संबंधित प्रश्न
Define the following term:
Zeta potential
Out of MgCl2 and AlCl3, which one is more effective in causing coagulation of negatively charged sol and why?
Define the following term : Brownian movement
Explain what is observed when a beam of light is passed through a colloidal sol.
Explain what is observed when an electrolyte NaCl is added to hydrated ferric oxide sol.
Explain what is observed when an electric current is passed through a colloidal sol?
Which of the following statements are correct?
(i) Mixing two oppositely charged sols neutralises their charges and stabilises the colloid.
(ii) Presence of equal and similar charges on colloidal particles provides stability to the colloids.
(iii) Any amount of dispersed liquid can be added to emulsion without destabilising it.
(iv) Brownian movement stabilises sols.
What causes brownian motion in colloidal dispersion?
Why does leather get hardened after tanning?
Define the following term:
Coagulation
