Environmental Effects of Burning Fuels

Gases such as water vapour and carbon dioxide that trap heat near Earth are known as...

• Blanket gases

• Greenhouse gases.

• Proxy gases.

• Warming gases

Do we need greenhouse gases on Earth?

• Yes - they keep the Earth warm

• Yes - they block dangerous UV light from the sun

• No - they only cause terrible climate change

• No - they only block some of the Sun's rays

Which of these can be released by burning fuels with impurities, particularly coal? It can irritate or damage your airways.

• NO_x

• SO₂

• CO

• Particulate matter

Dust, ash and pollen are examples of this air pollutant

• Lead
• Ground-level ozone
• Particulate matter
• Nitrogen oxides

Which of the following atmospheric gases DOES NOT absorb infra-red radiation as it is leaving the Earth?

• Carbon dioxide

• Nitrogen

• Water vapour

• Methane

Which of the following products of burning fuels can cause breathing/lung conditions and global dimming?

• Carbon particles C_(s)

• Sulfur dioxide SO₂

• Carbon monoxide CO

• Carbon dioxide CO₂

Which of the following products of burning fuels can cause acid rain?

• Carbon particles C_(s)

• Sulfur dioxide SO₂

• Carbon monoxide CO

• Carbon dioxide CO₂

• Nitrogen oxides

Which of these causes the release of carbon monoxide?

• Burning fossil fuels containing impurities

• Burning fossil fuels with sufficient oxygen

• Burning fossil fuels with insufficient oxygen

• Burning petrol only

Which of these can produce nitrogen oxides?

• Only burning fossil fuels containing impurities

• Only burning petrol

• Burning fossil fuels in pure oxygen

• Burning any fossil fuels in air

Which of these fuels will completely combust (burn) to form carbon dioxide only?

• C₄H₁₀

• Fuel oil (a fraction from oil used to power ships)

• Pure carbon (e.g. graphite)

• Pure hydrogen (H₂)

• Methane