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