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Give reason why a finely divided substan...

Give reason why a finely divided substance is more effective as an adsorbents?

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Why is a finely divided stustance more effective as an adsorbent?

Give reason for the following observations : (i) When Silver nitrate solution is added to Potassium iodide soltuion , a negatively charge colloidal solution is formed. (ii) Finely divided substance is more effective as an adsorbent. (iii) Lyophilic colloid are also called reversible sols.

If a solid is finely divided:

A catalyst in the finely divided form is most effective because :

CBSE COMPLEMENTARY MATERIAL-PRACTICE PAPER 4-SECTION : C
  1. When 1.5 g of non-volatile solute was dissolved in 90 g of benzene, th...

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  2. Give reason for the following observations: When silver nitrate solu...

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  3. Give reason why a finely divided substance is more effective as an ads...

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  4. Give reason for the following observations: Lyophilic collooids are...

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  5. Write the product (s) formed when 2-Bromopropane undergoes dehydrohal...

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  6. Write the product (s) formed when Chlorobenzene undergoes nitration r...

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  7. Write the product (s) formed when Methylbromide is treated with KCN

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  8. A reaction is first order in A and of second order in B. Write the dif...

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  9. A reaction is first order in A and second order in B. How is rate affe...

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  10. A reaction is first order in A and second order in B : How is the rate...

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  11. Explain the following: Amino acids behave like salts rather than si...

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  12. Explain the following: The two strands of DNA are complementary to ...

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  13. Explain the following: Reaction of glucose that indicates that the ...

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  14. Name the branched chain component of starch.

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  15. Ribose in RNA and deoxyribose in DNA differ in the structure around wh...

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  16. How many peptide linkages are present in a tripeptide?

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  17. Cr(NH3)4Cl2Br has been isolated in two forms A and B. the form Areacts...

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  18. Cr(NH3)4Cl2Br has been isolated in two forms A and B. the form Areacts...

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  19. Cr(NH3)4Cl2Br has been isolated in two forms A and B. the form Areacts...

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  20. What happens when chlorine gas reacts with cold and dilute solution o...

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