Zusammenfassung der Ressource
Frage 1
Frage
What is the composition of the Earth's atmosphere? (Select 4)
Antworten
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78% Nitrogen
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78% Oxygen
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12% Oxygen
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21% Oxygen
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21% Nitrogen
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1% Argon
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Small amounts of oxygen, nitrogen, and argon.
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Small amounts of water vapour, carbon dioxide, and other gases.
Frage 2
Frage
What was the first source of oxygen on the Earth?
Frage 3
Frage
Which of the following Pollutants can cause acid rain?
Antworten
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Carbon Dioxide
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Nitrogen Oxides
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Sulphur Dioxides
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Particulates
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Carbon Monoxide
Frage 4
Frage
Which two measures are best used for measuring the concentration of pollutants in the air?
Antworten
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Parts per billion (ppb)
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Parts per million (ppm)
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Parts per hundred (pph)
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Parts per thousand (ppt)
Frage 5
Frage
Which of the following is smallest?
Antworten
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Atom
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Substance
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Element
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Compound
Frage 6
Frage
What happens to the number of atoms during a chemical reaction?
Antworten
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Stays the same
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Increases
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Decreases
Frage 7
Frage
What dangerous molecules are produced from incomplete combustion? (Select 3)
Antworten
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Carbon Particulates
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Carbon Monoxide
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Carbon Dioxide
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Sulphur Dioxide
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Water
Frage 8
Frage
What condition is needed for Nitrogen and Oxygen to react?
Antworten
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High Temperature
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Low Temperature
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They never react
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Underwater
Frage 9
Frage
Which of the following is NOT a solution to reducing Power Station emissions?
Antworten
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Removing sulphur from fossil fuels before burning them
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Using alternative renewable sources of energy
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Removing sulphur from chimneys with the 'wet scrubbing' process
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Removing sulphur as it is produced with a vacuum method
Frage 10
Frage
Which of the following is NOT a way emissions from Road Transport is currently being reduced?
Antworten
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Using public transport
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Installing catalytic converters in vehicles
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Exhaust emissions legally limited, enforced by MOT tests
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All fuels must be sulphur-free