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Lapis-Lazuli' is a blue coloured preciou...

Lapis-Lazuli' is a blue coloured precious stone. It is mineral of the class

A

Ferrous sulphate

B

Copper sulphate

C

Sodium alumino silicate

D

Zinc sulpate

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The correct Answer is:
C
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ALLEN-SURFACE CHEMISTRY -EXERCISE -2
  1. Lapis-Lazuli' is a blue coloured precious stone. It is mineral of the ...

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  2. which of the following forms cationic micelles above certain concentra...

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  3. Which of the following statements about the zeolites is false?

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  4. Which one of the following forms micelles in aqueous solution above ce...

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  5. The Langmuir adsorption isotherm is deduced using the assumption.

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  6. Which of the following molecules is most suitable to disperse benzen i...

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  7. Colloidal solution show in H(2)O :-

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  8. On adding excess electrolyte what happens to the collides :-

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  9. Butter is an example of :-

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  10. If x is the amount of adsorbate and m is the amount of adsorbent, whic...

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  11. Which of the following is incorrect for physio-sorption

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  12. Fog is a colloidal system of :-

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  13. In frenudlich adsorption isotherm, the value of 1//n is

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  14. Which one of the following statements is incorrect about enzyme cataly...

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  15. The protcting power of lyophilic colloidal solution is expressed in te...

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  16. The ease of adsorption of the hydrated alkali metal ions on ion-exchan...

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  17. A colliodal solution is kept in dark and is illuminated by a beam of l...

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  18. According to Freundlich adsorption isotherm, which of the following is...

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  19. Hair cream is :-

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  20. According to Hardy schultz law, the floculating power of an ion increa...

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