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Various impurities present in contact pr...

Various impurities present in contact process are sulphur or pyrite dust, arsenious oxide arid sulphuric acid fog. They poison the catalyst. Dust impurities are removed in dusting tower by

A

By blowing steam to make dust particle

B

By cottrell precipitators

C

By cooling the gases

D

All

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The correct Answer is:
D
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CENGAGE CHEMISTRY-P-BLOCK GROUP 16 ELEMENTS - THE OXYGEN FAMILY-Exercises Single Correct
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  3. Various impurities present in contact process are sulphur or pyrite du...

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

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

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  12. Ordinary oxygen contains.

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  13. Anhydride of sulphuric acid is

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  14. Sulphuric acid is a dibasic acid in nature, hence it forms

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  15. When SO2 is passed through a solution of H2 S in water :

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  17. SF6 is unreactive towards water because

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  19. The catalyst used in the manufacture of H2 SO4 by contact process is.

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