MCQOPTIONS
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| 1. |
Mannheim furnace is used in the manufacture of$? |
| A. | Hydrochloric acid |
| B. | H‚ÇÇSO‚ÇÑ by Chamber process |
| C. | Calcium carbide |
| D. | Corundum |
| Answer» B. H‚Äö√á√áSO‚Äö√á√ë by Chamber process | |