Candle burning - still water formed Burn a candle. Note that water condenses on a nearby cool surface. Spirit lamp and globe - great heat if oxygen used Burn a kerosene lamp. Blow oxygen over the flame. The flame burns brighter and hotter.
Oxygen acts as an aid to combustion.
Burn an alcohol lamp. Direct the resultant gases into a cool pipe. Show that water condenses on the cool surface. Go to the modern lab demonstrations . Editors Pam Fujinaka, George Hussey, Jeffrey M. Green, Edgar Johnson, Michael J. Kelly, Cristina Kerekes, Louise Komp, Patty A. Kreikemeier, and Daniel Lane.