Topic 9 - Flames and combustion

FLAMES

• Gas flames can be made much hotter by the introduction of more air. 
• The hottest part of the blue flame is just above the cone of unburnt gas. 

WHAT IS BURNING

• hydrocarbon= chemical that contains only carbon and hydrogen (e.g. gas cooker gas, candle wax).
• A large proportion of natural gas is methane CH4. Other members of this family are propane and butane. 
• Word…