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Water obtained by purification of organi...

Water obtained by purification of organic ion exchange resins is :

A

deionised water

B

free from only `Ca(+2)` and `Mg(+2)`

C

free fram `HCO^(-3), SO_4^(-2)` and `Cl(-)` ions only

D

none of these

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PATHFINDER-S-BLOCK ELEMENTS AND THEIR COMPOUNDS, HYDROGEN AND ITS COMPOUNDS-QUESTION BANK
  1. TiH1.73 is an example of

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  2. The maximum possible number of hydrogen bonds a water molecule can for...

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  3. Water obtained by purification of organic ion exchange resins is :

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  4. In which of the following reactions does water act as an oxidising age...

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  5. Which of the following is not true ?

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  6. Which of the following is not correct regarding electrolytic preparati...

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  7. The hybridisation state and oxidation state of two oxygen atoms in H2 ...

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  8. Decolourisation of acidified potassium permanganate occurs when H2 O2 ...

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  9. Decomposition of H2 O2 is accelerated by

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  10. An aqueous solution of hydrogen peroxide ions is

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  11. The species that does not contain peroxide ions is

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  12. When same amount of zinc is treated separately with excess of sulphuri...

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  13. Chemical A is used for water softening to remove temporary hardness. A...

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  14. H2 O2rarr2H^oplus+O2+2e^(-)=-0.68V The above equation represents whi...

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  15. In view of their ionisation energies, the alkali metals are

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  16. In certain matters, lithium differs from other alkali metals, the main...

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  17. Which one of the following electrolyte is used in Down’s process of ex...

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  18. Which salt on heating does not give brown coloured gas ?

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  19. The principal products obtained on heating iodine with concentrated ca...

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