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Colloidal solution of gold prepared by d...

Colloidal solution of gold prepared by different methods have different colours, because 

A

Variable valency of gold

B

Different concentrations of gold particles

C

Impurities produced by different mentods

D

Different diameters of colloidal gold particle

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The correct Answer is:
D
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AAKASH SERIES-SURFACE CHEMISTRY-Objective Excersice - 1

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  2. Solid aerosol is an example of colloidal system of

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  3. Colloidal solution of gold prepared by different methods have differen...

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  4. The process of separating a crystalloid, from a colloid by filtration,...

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  5. Which of the following type of molecules form micelles?

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  6. Colloidal solution of silver is prepared by

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  7. If gold number of A, B, C and D are 0.005, 0.05, 0.5 and 5 respectivel...

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  8. The concentration of electrolyte required to coagulate a given amount ...

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  9. The bleeding from a wound is stopped by the application of ferric chlo...

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  10. Colloidal solution commonly used in the treatment of eye disease is

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  11. Which one of the following is not a surfactant ?

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  12. The simplest way to check whether a system is colloidal

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  13. Particles of which of the following donot pass through ultra filter pa...

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  14. Some statements are given below about lyophillic sol I) These are so...

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  15. The tyndall effect in colloidal solutions is due to

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  16. Which of the following is a homogeneous system?

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  17. Colloidal systems are

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  18. The number of phases in a colloidal system is -

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  19. The following are some statements about micelles I) These are formed...

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  20. When dispersed phase is solid and dispersion medium is gas, the colloi...

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