what are the most common flammable chemicals in the whole wide world

Question: what are the most common flammable chemicals in the whole wide world
- Keywords:
  chemical,
  fire,
  properties
Asked by Jay Jay to Chris on 23 Jun 2015.
- Chris Armstrong answered on 23 Jun 2015:
  
  Petrol, thats pretty common. Or ethanol, thats everywhere. You can even set fire to custard powder… I won’t explain how…

Question: what are the most common flammable chemicals in the whole wide world