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In the the manufacture of sulphuric acid...

In the the manufacture of sulphuric acid by the Contact process ,give the equations for the conversion of sulphur trioxide to sulphuric acid .

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Impurities poison the catalyst and decrease its efficiency.
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In the manufacture of sulphuric acid by contact process give the equation for the conversion of sulphur trioxide to sulphuric acid.

(i) Give balanced chemical equations for the action of sulphuric acid on each of the following: (1) Potassium hydrogen carbonate. (2) Sulphur.' (ii) In the contact process for the manufacture of sulphuric acid give the equations for the conversion of sulphur trioxide to sulphuric acid.

Anhydride of sulphuric acid is

The catalyst used in the manufacture of sulphuric acid by contact process is :

Sulphuric acid acts as

Give balanced equations for the following conversions : Nitric acid to sulphuric acid

The acid anhydride of sulphuric acid is

Some bacteria obtain their energy by oxidising sulphur, producing sulphuric acid as a by-product. In the laboratory, or in industry, the first step in the conversion of sulphur to sulphuric acid is to produce sulphur dioxide. The sulphur dioxide is converted to sulphur trioxide, which reacts with water to give sulphuric acid. Write the equation for the conversion of sulphur dioxide to sulphur trioxide. Why does this reaction supply energy?

Which is not the use of sulphuric acid ?

Discuss the theory involved in the manufacture of sulphuric acid by contact process.

ICSE-P-BLOCK ELEMENTS-EXERCISE (PART-II)(DESCRIPTIVE QUESTIONS)(VERY SHORT ANSWER QUESTIONS)
  1. Why sulfuric acid is also known as oil of vitriol?

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  2. Why the process of manufacture of H2SO4 is named contact process ?

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  3. In the the manufacture of sulphuric acid by the Contact process ,give ...

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  4. Why vanadium pentoxide is considered as a better catalyst than platini...

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  5. Why heating of catalyst is discontinued the moment the oxidation of su...

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  6. Explain the following giving suitable reasons: In the manufacture of H...

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  7. Sulfuric acid having concentration greater than 98.5% H2SO4 cannot be...

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  8. Why conc. H2SO4 is stored in air tight bottles ?

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  9. What happens when ferrous sulfide is treated with dil. H2SO4 ?

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  10. What is the action of conc. H2SO4 on sulfur?

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  11. Which gas is produced when common salt reacts with conc. H2 SO4 ?

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  12. What is the importance of ozone for plant and animal life on earth?

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  13. Why there is not more than 1.1 parts of ozone per million parts of air...

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  14. What is an ozoniser ?

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  15. Name the conditions for obtaining better yield of O3 from O2.

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  16. How is pure ozone obtained from ozonised oxygen?

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  17. Why group 17 elements are called halogens?

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  18. Which one of the halogens is radioactive ?

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  19. Why do halogens exist as diatomic molecules ?

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  20. Arrange the given halogens in increasing order of boiling points.

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