Matching Pairs Combustion Concepts MatchOnline version Test your knowledge of combustion with this fun matching pairs game! by Alessia Ferrari 1 Fuel 2 Flame 3 Bunsen Burner 4 Incomplete combustion 5 Exothermic 6 Combustion 7 Yellow flame 8 Blue flame Substance burned for energy Produces soot and CO Objet use to heat Safe flame Work flame Releases heat during reaction Chemical reaction releasing energy Visible part of combustion