461638
Descripción
Test por James McConnell, actualizado hace más de 1 año
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Creado por James McConnell
hace casi 11 años
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Pregunta 1
Pregunta
What is the composition of the Earth's atmosphere? (Select 4)
Respuesta
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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.
Pregunta 2
Pregunta
What was the first source of oxygen on the Earth?
Respuesta
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Photosynthetic Organisms evolved
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Plants started to grow
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Carbon Dioxide adapted
Pregunta 3
Pregunta
Which of the following Pollutants can cause acid rain?
Respuesta
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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
Pregunta 4
Pregunta
Which two measures are best used for measuring the concentration of pollutants in the air?
Respuesta
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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)
Pregunta 5
Pregunta
Which of the following is smallest?
Respuesta
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Atom
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Substance
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Element
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Compound
Pregunta 6
Pregunta
What happens to the number of atoms during a chemical reaction?
Respuesta
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Stays the same
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Increases
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Decreases
Pregunta 7
Pregunta
What dangerous molecules are produced from incomplete combustion? (Select 3)
Respuesta
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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
Pregunta 8
Pregunta
What condition is needed for Nitrogen and Oxygen to react?
Respuesta
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High Temperature
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Low Temperature
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They never react
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Underwater
Pregunta 9
Pregunta
Which of the following is NOT a solution to reducing Power Station emissions?
Respuesta
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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
Pregunta 10
Pregunta
Which of the following is NOT a way emissions from Road Transport is currently being reduced?
Respuesta
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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
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