Mannheim furnace is used in the manufacture of_________________?
Correct answer: B. Hydrochloric acid
- A. H2SO4 by Chamber process
- B. Hydrochloric acid
- C. Calcium carbide
- D. Corundum
Explanation
A Mannheim furnace reacts sodium chloride with concentrated sulphuric acid to produce hydrochloric acid and sodium sulphate. It is therefore used for hydrochloric acid manufacture, not for the chamber process or carbide production.
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