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When a sulphur sol is evaporated, solid ...

When a sulphur sol is evaporated, solid sulphur is left. On mixing with water no colloidal sol is formed. The sulphur sol is :

A

Lyophilic

B

Reversible

C

Hydrophobic

D

Hydrophilic

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VMC MODULES ENGLISH-SURFACE CHEMISTRY-LEVEL-1
  1. which one of the following is lyophilic colloid ?

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  2. Which of the following is not a property of colloidal solution?

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  3. When a sulphur sol is evaporated, solid sulphur is left. On mixing w...

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  4. In Langumir's model of adosrption of a gas on a solid surface :

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  5. Which of the following is true in respect of chemical adsorption?

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  6. If x/m is the mass of adsorbate adsorbed per unit mass of adsorbent, P...

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

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  8. What is autocatalysis ?

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  9. Assertion: A catalyst increases the rate of a reaction. Reason: In p...

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  10. Which of the following reaction characteristics change on additi...

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  11. Which is the wrong pair? (i) Starch solution: sol (ii) Aq. NaCl: Tru...

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  12. Among of electrolytes N(24)a2 S2 and NH4O the most effective agent for...

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  13. The most effective electrolyte for the coagulation of As2S3 Sol is

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  14. Which of the following is an emulsifier ?

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  15. Gold numbers of protective colloids A, B, C and D are 0.50, 0.01, 0.10...

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  16. The number of moles of lead nitrate needed to coagulate 2 mole of coll...

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  17. Which of the following has minimum gold number ?

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  18. Continous phase contains dispersed phase throughout Example is

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  19. 50 ml of 1 M oxalic acid (mol. wt. = 126) is shaken with 0.5 g of w...

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

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