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प्रश्न
Define the following term:
Coagulation
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उत्तर
Coagulation is the process by which colloidal particles aggregate and settle as a precipitate. It is brought about by the addition of electrolyte.
संबंधित प्रश्न
Explain what is observed when a beam of light is passed through a colloidal sol.
Explain the terms Coagulation
Answer the following question.
Why are medicines more effective in the colloidal state?
What happens when a lyophilic sol is added to a lyophobic sol?
(i) Lyophobic sol is protected.
(ii) Lyophilic sol is protected.
(iii) Film of lyophilic sol is formed over lyophobic sol.
(iv) Film of lyophobic sol is formed over lyophilic sol.
Why does leather get hardened after tanning?
Gold number is associated with:-
Define coagulation.
State the Hardy-Schulze rule.
The conditions given below are in the context of observing Tyndall effect in colloidal solutions:
- The diameter of the colloidal particles is comparable to the wavelength of light used.
- The diameter of the colloidal particles is much smaller than the wavelength of light used.
- The diameter of the colloidal particles is much larger than the wavelength of light used.
- The refractive indices of the dispersed phase and the dispersion medium are comparable.
- The dispersed phase has a very different refractive index from the dispersion medium.
Choose the most appropriate conditions from the options given below:
Lyophilic sols are more stable than lyophobic sols because ______.
