MCQOPTIONS
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| 1. |
*$_Blast furnace gas constitutes mainly of? |
| A. | N‚ÇÇ & CH‚ÇÑ |
| B. | N‚ÇÇ & H‚ÇÇ |
| C. | N‚ÇÇ & CO |
| D. | CH‚ÇÑ & CO‚ÇÇ |
| Answer» D. CH‚Äö√á√ë & CO‚Äö√á√á | |