Time left 20:31 Answer Sheet (21/33) Multiple Choice (single) Question 25 Point:3. hincomplete combustion of carbon-cont
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Time left 20:31 Answer Sheet (21/33) Multiple Choice (single) Question 25 Point:3. hincomplete combustion of carbon-cont
Question 25 Point:3. hincomplete combustion of carbon-containing materials occurs when A there is insufficient oxygen to convert all of the carbon to carbon dioxide B с there are sulfur impurities in the carbon-containing material the carbon-containing material is a gas the combustion flame is too hot there is an excess of oxygen D E
Time left 20:31 Answer Sheet (21/33) Multiple Choice (single)