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State Hardy schulze rule....

State Hardy schulze rule.

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According to Hardy - Schulze rule, the coagulating power of cation follows the order :

According to Hardy Schulze rule, the power of coagulation of an ion depends upon………….

tyndall effect, brownian movement, colour OF colloid, coagulation / flocculation, hardy schulze rule, protection OF colloid and gold number

According to Hardy-Schulze rule for greater power of precipitation flocculating ion should have greater

On the basis of Hardy-schulze rule explain why the coagulating power of phosphate is higher than chloride ?

Assertion (A) Coagulation power of Al^(3+) is more than Na^(+) . Reason (R) Greater the valency of the flocculating ion added, greater is its power to cause precipitation (Hardy-Schulze rule) .

MODERN PUBLICATION-SURFACE CHEMISTRY-REVISION EXERCISE (SHORT ANSWER QUESTION)
  1. Explain the terms 'Brownian movement' and 'peptization'.

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  2. Comment on the statement that " colloid is not a substance but state ...

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  3. State Hardy schulze rule.

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  4. Why are lyophilic colloids used as protective colloids?

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  5. What is the role of activated charcoal in gas mask used in coal mines?

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  6. From the following figure, the correct observation is :-

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  7. (i) What is the role of activated charcoal in gas mask ? (ii) A coll...

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  8. Classify colloids where dispersion medium is water. State their charac...

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  9. Whate happens in the following activities and why? (i) An electrol...

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  10. Explain what is observed (i) when a beam of light is passed through ...

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  11. Explain what is observed (a) When an electrolyte NaCl is added to fe...

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  12. Write three distinct features of chemisorptions which are not found in...

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  13. What are the characteristics of the following colloids ? Give one exam...

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  14. What are the characteristics of the following colloids ? Give one exam...

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  15. What are the characteristics of the following colloids ? Give one exam...

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  16. What are Associated Colloids ? Given an example.

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  17. Define the following terms giving an example of each: (i) Associated...

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  18. Define the following terms giving an example of each: (i) Associated...

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  19. Give reason for the Physisorption decreases with increase in temperatu...

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  20. Alum purifies muddy water by

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