Fuels and fossil fuels
Fuels and fossil fuels
A fuel is a substance that releases useful energy when it burns. Burning is combustion, a reaction with oxygen that releases heat energy.
Step-by-step lessons on CIE IGCSE Chemistry Fuels. Each one builds up to exam-style questions. Build a solid grasp of atomic structure, bonding and the mole concept early, since these underpin almost every other topic, then move on to the more calculation-heavy quantitative and organic chemistry content.