More cards in this set

What are the problems with acid rain?

Coal and most hydrocarbon fuels naturally contain some sulfur compounds, what happens when this fuel is burnt?

What can we do to stop sulfur dioxide being in our fuel?

What happens when nitrogen and oxygen from the air react together at high temperatures?

What are biofuels made of?

What is biodiesel made of?

How is bioethanol made?

What are the ethical concerns of using biolfuels?

What are the advantages of making biofuels?