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प्रश्न
Why are some medicines more effective in the colloidal form?
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उत्तर
Medicines are more effective in the colloidal form because of large surface area and are easily assimilated in this form.
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संबंधित प्रश्न
Comment on the statement that “colloid is not a substance but a state of substance”.
Write one difference in Multimolecular colloid and Associated colloid
Explain micelle formation in a soap solution.
Identify the CORRECT statements from the following.
i. The colour of colloidal dispersion depends on size of colloidal particles.
ii. Tyndall effect is used to distinguish between colloidal dispersion and true solution.
iii. Eosin and congo red are examples of negatively charged sols.
Which of the following statements is CORRECT?
The order of coagulating power of following ions in the coagulation of a positive sol is:
i. \[\ce{PO^{3-}_4}\]
ii. \[\ce{SO^{2-}_4}\]
iii. \[\ce{[Fe(CN)6]^{4-}}\]
iv. \[\ce{NO^-_3}\]
Mixing of two oppositely charged sols leads to ____________.
Tyndall effect is observed due to ____________.
Froth is a colloidal solution of ____________.
Tyndall effect is useful ______.
In which of the following sols there is low affinity between dispersed phase and dispersion medium?
Which of the following process is responsible for the formation of delta at a place where rivers meet the sea?
An emulsion cannot be broken by:
(i) heating
(ii) adding more amount of dispersion medium
(iii) freezing
(iv) adding emulsifying agent
What is collodion?
What happens when electric field is applied to colloidal solution?
A colloid is formed by adding \[\ce{FeCl3}\] in excess of hot water. What will happen if excess sodium chloride is added to this colloid?
Cloud is an example of
In which of the following, the Tyndall effect is not observed?
Which of the following is most powerful to coagulate the negative colloid?
