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In contact process inpurities of arsenic...

In contact process inpurities of arsenic is removed by

A

`Al(OH)_3`

B

Gelatious `Fe(OH)_3`

C

`Cr(OH)_3`

D

`Fe_2 O_3`

Text Solution

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The correct Answer is:
B
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CENGAGE CHEMISTRY-P-BLOCK GROUP 16 ELEMENTS - THE OXYGEN FAMILY-Exercises Single Correct
  1. H2 SO3 and H2 SO4 involve hybridisation of the type

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  2. Calalyst used in contact process is

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  3. In contact process inpurities of arsenic is removed by

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  4. Sulphuric acid has great affinity for water because it

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  5. High density arid low volatility of H2 SO4 is due to

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  6. Conc. H2 SO4 is not a

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  7. In the following reaction, H2 SO4 acts as HCOOH overset (H2 SO4) rar...

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  8. Oxalic acid when heated with conc. H2 SO4 it gives out

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  9. In the following reaction, H2 SO4 acts as 2 Ag + H2 SO5 rarr Ag2 SO...

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  10. A boy accidently splashes a few drops of conc. H2 SO4 on his cotton sh...

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  11. Various impurities present in contact process are sulphur or pyrite du...

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  12. Hypo is used in photography because of its

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  13. In dry batteries the depolariser is

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  14. Caro's and Marshall'a acid does not react with

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  15. Sulphur dioxide is obtained by the action of dilute H2 SO4 on :

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  16. Moist iodine reacts with ozone to form.

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  17. The ratio of the gases obtained on dehydration of HCOOH and H2 C2 O4 b...

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  18. The product A in the following reaction : 2KMnO4 rarr A + KMnO2 + O2...

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  19. The gases respectively absorbed by alkaline pyrogallon and oil of cinn...

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  20. Ordinary oxygen contains.

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