MCQOPTIONS
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| 1. |
%_Coke oven gas constitutes mainly of_% |
| A. | H‚ÇÇ & CO |
| B. | H‚ÇÇ & CH‚ÇÑ |
| C. | CH‚ÇÑ & CO |
| D. | H‚ÇÇ & CO‚ÇÇ |
| Answer» C. CH‚Äö√á√ë & CO | |