Advertisements
Advertisements
प्रश्न
Draw labelled diagram of Bredig’s arc method.
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
Write one difference in Multimolecular colloid and Associated colloid
Choose the correct option.
The size of colloidal particles lies between ______.
What are the applications of Electrophoresis?
What happens when a beam of light is passed through a colloidal sol.
Which one of the following methods is used to make platinum sol?
In coagulation of positively charged ferric hydroxide sol, the most and least effective ions are ____________ and ____________ respectively.
Which of the following is a heterogeneous mixture?
The precipitation power of an electrolyte increases with ______.
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. \[\ce{NO^-_3}\]
Which of the following is NOT true for lyophilic colloids?
Mixing of two oppositely charged sols leads to ____________.
Tyndall effect is observed due to ____________.
Which of the following is multimqlecular colloid?
Tyndall effect is useful ______.
Which of the following substances will precipitate the negatively charged emulsions?
(i) \[\ce{KCl}\]
(ii) glucose
(iii) urea
(iv) \[\ce{NaCl}\]
Gelatin which is a peptide is added in icecreams. What can be its role?
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?
How do emulsifying agents stabilise the emulsion?
Colloids can
Toluene is oxidised to benzoic acid by
Cloud is an example of
For coagulating 200 ml of arsenious sulphide sol, 10 ml of 1 m NaCl solution is required find out the flocculation value of NaCl.
In which of the following, the Tyndall effect is not observed?
Smoke is an example of ______.
