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प्रश्न
Answer the following question.
Why are medicines more effective in the colloidal state?
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उत्तर
Some medicines are more effective in colloidal form because medicine in colloidal form is easily absorbed by the body tissues.
For example, Antibiotics like streptomycin in the form of the colloidal sol is injected into the body for the more effective result.
संबंधित प्रश्न
Explain what is observed when an electric current is passed through a colloidal sol?
Explain the terms Coagulation
Explain the term Tyndall effect.
What happens when a freshly prepared precipitate of Fe(OH)3 is shaken with a small amount of FeCl3 solution?
Why do we add alum to purify water?
What causes brownian motion in colloidal dispersion?
Assertion: Colloidal solutions do not show brownian motion.
Reason: Brownian motion is responsible for stability of sols.
Gold number of protective colloids A, Band Dare 0.50, 0.01 and 0.10 and 0.005. The correct order of their protecting power is
Define coagulation.
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:
