MCQOPTIONS
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| 1. |
_ Multistage catalytic converter is not used in the$? |
| A. | Conversion of SO‚ÇÇ to SO‚ÇÉ |
| B. | NH‚ÇÉ synthesis reaction |
| C. | Both A & B |
| D. | Neither A nor B |
| Answer» C. Both A & B | |