1.

Producer gas consists mainly of%!

A. CO, CO‚ÇÇ N‚ÇÇ, H‚ÇÇ
B. CO, H‚ÇÇ
C. H‚ÇÇ, CH‚ÇÑ
D. C‚ÇÇH‚ÇÇ, CO‚ÇÇ, H‚ÇÇ
Answer» B. CO, H‚Äö√á√á


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