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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 | |