Properties and applications of colloids Test - Surface Chemistry Class 12 Notes | EduRev

Class 12 : Properties and applications of colloids Test - Surface Chemistry Class 12 Notes | EduRev

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CBSE TEST PAPER-05 
CLASS - XII CHEMISTRY (Surface chemistry) 
Topic:- Properties and applications of colloids, Emulsions. 
1. How is a colloidal solution purified by dialysis? [2] 
2. What is observed when light is passed through a colloidal solution? [1] 
3. Define the terms – (a) Brownian movement (b) Electrophoresis? [2] 
4. State Hardy- Schulze rule? [1] 
5. What is a protective colloid? [1] 
6. What is flocculation? [1] 
7. Alum is used for purification of water. Why? [1] 
8. Give three applications of colloidal solutions? [3] 
9. What are the two types of emulsions? [1] 
10.  How does an emulsifying agent work? Give an example of emulsifying agent. [2] 
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