Question

name 2 gases in whose preparation sulphuric acid finds use.

Answer 1

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◼ Manufacture. Sulfuric acid is produced from sulfur, oxygen and water via the contact process.

◼ In the first step, sulfur is burned to produce sulfur dioxide. This is then oxidised to sulfur trioxide using oxygen in the presence of a vanadium(V) oxide catalyst.

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Answer 2

The major use of sulfuric acid is in the production of fertilizers, e.g., superphosphate of lime and ammonium sulfate. It is widely used in the manufacture of chemicals, e.g., in making hydrochloric acid, nitric acid, sulfate salts, synthetic detergents, dyes and pigments, explosives, and drugs.

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