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प्रश्न
Define coagulation.
उत्तर
It is a process of aggregating together the colloidal particles so as to change them into large-sized particles, which ultimately settle as a precipitate.
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संबंधित प्रश्न
Define the following term:
Zeta potential
Give reasons for the following observations:
Brownian movement provides stability to the colloidal solution.
Out of MgCl2 and AlCl3, which one is more effective in causing coagulation of negatively charged sol and why?
Give reasons for the following observations: Leather gets hardened after tanning.
Which of the following will show Tyndall effect?
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.
Why do we add alum to purify water?
Which of the following is used for removing change on colloidal solution?
The right option for the statement “Tyndall effect is exhibited by”, is ______.
State Hardy-Schulze rule.
