AP EAMCET · Chemistry · Surface Chemistry
Identify the method of preparation of a colloidal sol from the following
- A Ultrafiltration
- B Peptisation
- C Dialysis
- D Electro-dialysis
Answer & Solution
Correct Answer
(B) Peptisation
Step-by-step Solution
Detailed explanation
A process of converting a precipitate into colloidal sol called peptisation by shaking it with the dispersion medium. For purification of colloidal solutions (i) Dialysis (ii) Electrodialysis, (iii) Ultrafiltration (iv) Ultra-centrifugation.
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