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What is the significance of reciprocal o...

What is the significance of reciprocal of "gold number"?

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Reciprocal of gold number is a measure of protective power of a colloid, Smaller the value of gold number, greater will be its protecting power.
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MODERN PUBLICATION-SURFACE CHEMISTRY-CONCEPTUAL QUESTION 2
  1. What happens when a freshly precipitated Fe(OH)(3) is shaken with litt...

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  2. What type of colloid is formed when a liquid is dispersed in a solid? ...

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  3. What is the significance of reciprocal of "gold number"?

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  4. 50 mL of standard gold solution needs 0.05 mg of gelatin for its prote...

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  5. 100mL of a colloidal solution is completely precipitated by addition o...

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  6. What is the charge on the colloidal particles in the following ? a. ...

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  7. Which of the following is the most effective electrolyte for the coagu...

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  8. Give reasons for the following : (i) Peptizing agent is added to con...

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  9. Give reasons for the following : (i) Peptizing agent is added to con...

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  10. Give reasons for the following : (i) Peptizing agent is added to con...

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  11. What is colloidion?

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  12. (a) Heat of adsorption is greater for chemisorptions than physisorprio...

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  13. Why is ferric chloride preferred over potassium chloride in case of a ...

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  14. Why does the sky appear blue on a clear day ?

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  15. A freshly formed precipitate of ferrie hydroxide can be converted to a...

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  16. Why does leather get hardened after tanning ?

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  17. Why is it necessary to remove CO when ammonia is obtained by Haber's p...

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  18. Why do we add alum to purify water ?

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  19. Out of MgCl2 and AICI3 which one is more effective in causing coagulat...

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  20. Out of sulphur sol and proteins, which one forms multimolecular colloi...

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