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The number of valence electrons in a sul...

The number of valence electrons in a sulphide ion, S2–, is :

A

16

B

10

C

9

D

8

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MODERN PUBLICATION-SURFACE CHEMISTRY-EXERCISE
  1. Elements having valency ‘one’ are :

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  2. For an element, Z = 9. The valency of this element will be :

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  3. The number of valence electrons in a sulphide ion, S2–, is :

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  4. The atomic number of an element X is 8 and that of element Y is 4. Bot...

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  5. What is the number of valence electrons in : (a) sodium ion, Na+

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  6. In physisorption adsorbent does not show specificity for any particula...

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  7. Which of the following is an example of absorption ?

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  8. On the basis of data given below predict which of the following gases ...

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  9. In which of the following reactions heterogenous catalyse is involved?...

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  10. What is the number of valence electrons in : (b) oxide ion, O2–

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  11. Atom A has a mass number 209 and atomic number 82. Atom B has a mass n...

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  12. Method by which lyophobic sol can be protected.

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  13. Freshly prepared precipitate sometimes gets converts colloidal solutio...

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  14. Which of the following electrolytes will have maximum coagulating valu...

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  15. A colloidal system having a solid substances as a dispersed phase and ...

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  16. The values of colligative properties of colloidal solution are of smal...

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  17. Atom A has a mass number 209 and atomic number 82. Atom B has a mass n...

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  18. Atom A has a mass number 209 and atomic number 82. Atom B has a mass n...

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  19. Which of the following curves is in accordance with Freundlich adsorpt...

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  20. Which of the following process is not responsible for the presence of ...

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