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प्रश्न
Define coagulation.
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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
Give reasons for the following observations: Leather gets hardened after tanning.
Explain the term Electrophoresis
Explain the term Tyndall effect.
The values of colligative properties of colloidal solution are of small order in comparison to those shown by true solutions of same concentration because of colloidal particles ______.
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 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.
What causes brownian motion in colloidal dispersion?
Tyndall effect is observed in
Which of the following is used for removing change on colloidal solution?
Which of the following is a correct statement?
