_Pure carbon is completely burnt in oxygen. The flue gas analysis is 7 – McqOptions

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1.	_Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO‚Äö√á√á, 20%CO and 10%O‚Äö√á√á. The percent excess oxygen used is$?
A.	20
B.	12.5
C.	0
D.	10
Answer» D. 10

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