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Properties of Colloids, Class 12 Chemistry NCERT Solutions

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1. There will be total 20 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. When colloids are subjected to an electrical field particles move towards an electrode and precipitate. Name the process.

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Question 1 of 20

2. Which property is represented by the following figure;
807_image001

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Question 2 of 20

3. Which law is represented by the following expression?
For a positive colloid the order of precipitation is : Phosphate ion>sulphate ion >chloride ion.

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Question 3 of 20

4. Which substance is added to water containing suspended impurities to coagulate the suspended impurities and make water fit for drinking purposes.

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Question 4 of 20

5. The simplest way to check whether a system is a colloid is by using:

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Question 5 of 20

6. Which method cannot be used for the coagulation of the lyophobic sol?

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Question 6 of 20

7. Lyophilic colloids that shows the property of protecting lyophobic colloids are also called as:

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Question 7 of 20

8. Which of the following forms a colloidal solution in water?
Properties of Colloids Multiple Choice Questions for CBSE Class 12 Chemistry   Topperlearning

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Question 8 of 20

9. The factors which are responsible for the stability of lyophilic sols are:

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Question 9 of 20

10. The Brownian motion is due to:

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Question 10 of 20

11. Which property of colloids is applied in rubber plating & sewage disposal?

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Question 11 of 20

12. In Tyndall effect the colloidally suspended particles:

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Question 12 of 20

13. Ferric hydroxide is a negative sol, which of the following electrolyte will coagulate it most:

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Question 13 of 20

14. What is aggregation of colloidal particles into insoluble precipitate by addition of some suitable electrolyte called?

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Question 14 of 20

15. A fresh precipitate can be transformed into colloidal sol by:

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Question 15 of 20

16. Which statement describes coagulation value?

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Question 16 of 20

17. Which electrolyte will precipitate a negatively charged colloids (As2S3 sol ) to a greater extend?

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Question 17 of 20

18. The process in which colloid is placed inside a bag of semi permeable membrane like cellophane or parchment paper which permits ions and not colloids to pass through, is called as:

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Question 18 of 20

19. Which of the following will have the highest coagulating power for As2S3 colloids?
Properties of Colloids Multiple Choice Questions for CBSE Class 12 Chemistry   Topperlearning

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Question 19 of 20

20. What is scattering of light by mist on head light of vehicles called?

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Question 20 of 20

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