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Among the electrolytes Na, SO4 , CaCl4 ...

Among the electrolytes ` Na, SO_4 , CaCl_4 , Al_2(SO_4)_3` and ` NH_4 Cl`, the most effective coagualting agent for ` Sb_2 S_3` sol is :

A

`Na_2SO_4`

B

`CaCl_2`

C

`Al_2(SO_4)_3`

D

`NH_4Cl`

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MODERN PUBLICATION-SURFACE CHEMISTRY-COMPETITION FILE (OBJECTIVE TYPE QUESTIONS) (B. MULTIPLE CHOCE QUESTIONS FROM COMPETITIVE EXAMINATIONS)
  1. For a linear plot of log (x/m) versus log p in a Freundlich adsorption...

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  2. Which of the following is not favourable condition for physical adsorp...

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  3. Which of the following process is responsible for the formation of del...

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  4. The Tyndall effect is observed only when following conditions are sati...

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  5. The coagulation power of an electrolyte for As(2) S(3) decreases in th...

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  6. Which of the following electrolytes will have maximum coagulating valu...

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  7. Gold sol is not a

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  8. Which of the following statement is true about the adsorption?

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  9. Which of the following is an example of homogeneous catalysis?

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  10. Critical micelle concentration for a soap solution is 1.5 xx 10^(-4)" ...

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  11. The precipitation power of an electrolyte increases with

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  12. A gas undergoes physical adsorption on a surface and follows the givn ...

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  13. An example solid sol of

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  14. For coagulation of arsenious sulphide sol, which one of the following ...

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  15. Adsorption of a gas follows Freundlich adsorption isotherm. x is the m...

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  16. Among the following, the false statement is :

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  17. Among the following , the surfactant that will form micelles in aqueou...

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  18. Among the electrolytes Na, SO4 , CaCl4 , Al2(SO4)3 and NH4 Cl, the m...

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  19. Methylene blue, from its aqueous solution is adsorbed on activated cha...

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  20. Which one of the following forms micells in aqueous solution above cer...

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