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When zeolite (hydrated sodium aluminium ...

When zeolite (hydrated sodium aluminium silicate) is treated with hard water the sodium ions are exchanged with

A

`H^+` ions

B

`SO_4^(2-)` ions

C

`Ca^(2+) and Mg^(2+)` ions

D

`OH^(-)` ions

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The correct Answer is:
C
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MARVEL PUBLICATION-SOLID STATE -Multiple choice questions
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  2. Explain why calcuim ion makes water hard, but sodium ion does not.

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  3. When zeolite (hydrated sodium aluminium silicate) is treated with hard...

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  6. Industrial preparation of H2O2 , involves auto oxidation of

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  7. H(2)O(2) is always stored in black bottles because

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  8. The compound useful for restoring aerobic conditions to sewage waste i...

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  9. Hydrogen peroxide is not stored in glass bottle as

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  10. Reaction of ethylene with H2O2 gives

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  11. H2O2 is a good bleaching agent due to its

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  12. Which one of the following compounds is a peroxide?

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  13. Bond angles in H-O-O and H-O-H in H2 O2 and water respectively are

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  14. Bleaching action of H(2)O(2) is due to its :

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  15. When sodium peroxide is trated with the dilute sulphuric acid, we...

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  16. Hydrogen peroxide is

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  17. Hydrogen peroxide is obtained by the electrolysis of ………

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  18. The chemical formula of perhydrol is

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  19. 10 volume H(2)O(2) means .

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  20. in alkaline medium, H(2)O(2) reacts with Fe^(3+) and Mn^(@+) respectiv...

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