When the particle size of dispersed phase in colloidal solution increases :
Correct answer: B. the Brownian motion becomes slow
- A. the Brownian motion become fast
- B. the Brownian motion becomes slow
- C. Brownian motion remains same
- D. none of these
Explanation
Brownian movement is due to the unequal bombardments of the moving molecules of dispersion medium on colloidal particles. Bigger size of particle reduces the momentum.
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Solutions are described using molarity, molality, normality, mole fraction, percentage concentration and parts per million. Coverage also includes vapour-pressure lowering, boiling-point elevation, freezing-point depression and osmotic pressure, then distinguishes true solutions, colloids and suspensions by particle size, stability, light scattering and settling.
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