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Which of the following statements is not...

Which of the following statements is not correct?

A

Muddy water can be coagulated more effectively by alum as compared to NaCl.

B

Surface tension of lyophilic colloids is less than that of the dispersion medium.

C

When excess `AgNO_(3)` solution is added to KI sol and the resultant colloidal state is subjected to electrophoresis, coagulation will be observed near anode.

D

Ferrimagnetic substances on heating show paramagnetic behaviour.

Text Solution

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The correct Answer is:
C
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GRB PUBLICATION-SURFACE CHEMISTRY-MULTIPLE OBJECTIVE TYPE
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  2. Identify the statements which are not correct.

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  3. Which of the following statements is not correct?

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  4. Which of the following options is/are correct regarding catalytic acti...

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  5. Identify the statement(s) which is not correct with respect to surface...

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  6. Sodium palmitate is a major constituent in soap. When an aqueous solut...

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  7. Which of the following reactions can result in formation of a colloida...

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  8. Which of the following methods to prepare sol, the colloidal particles...

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  9. Which of the following is (are) lyophobic colloids?

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  10. Which of the following are correctly matched?

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  11. Which is not correct for physical adsorption ?

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  12. Which of the following statements regarding adsorption is/are correct?

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  13. Which of the following is not a characteristic of chemisorption?

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  14. The diameter of colloidal particle is of the order

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  15. Which of the following colloidal solutions contain negatively charged ...

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  16. Which of the following are examples of aerosols?

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  17. Which of the following statements are true for physisoption?

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  18. Which of the following are hydrophobic sols?

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  19. If Cl(2) gas is enclosed in presence of powdered charcoal in a closed...

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  20. When negatively charged colloids like As(2)S(3) sol is added to positi...

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