IB Chemistry 1.3.4 Biofuels Questions
IB Chemistry 1.3.4 Biofuels Questions
Practise explaining advantages and disadvantages of biofuels, relating fuel energy to photosynthesis, and recalling the equation for photosynthesis.
How this is tested
- outline advantages of ethanol over gasoline using renewability and emissions
- identify disadvantages of biofuels such as land use competing with food crops
- explain how sunlight energy is stored by photosynthesis and later released in fuels