Hydrocarbons as Fuels

Question 1

What do most fuels contain?

Answer 1

Carbon and or hydrogen

Question 2

Name 5 gases that are released into the atmosphere when a fuel is burned

Answer 2

CO2, H2O (vapour), CO, SO2, oxides of nitrogen

Question 3

What else is released into the atmosphere when a fuel is burned?

Answer 3

Particulates (solid particles)

Question 4

What may particulates contain?

Answer 4

Soot and unburnt fuels

Question 5

What does the combustion of hydrocarbon fuel release?

Answer 5

Energy

Question 6

During combustion, the carbon and hydrogen in the fuels are…

Answer 6

Oxidised

Question 7

What does sulfur dioxide and oxides of nitrogen cause?

Answer 7

Acid rain

Question 8

What does carbon dioxide cause?

Answer 8

Global warming

Question 9

What do solid particles cause?

Answer 9

Global dimming

Question 10

What can sulfur be removed from before they are burned?

Answer 10

Fuels

Question 11

When can sulfur dioxide be removed from waste gases?

Answer 11

After combustion

Question 12

What are biofuels produced from?

Answer 12

Plant material