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Criado por Meghna Patel
mais de 9 anos atrás
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Questão | Responda |
Percentages of different elements in the air? | Nitrogen=78%, Oxygen=21%, Argon=1% and Carbon Dioxide=0.04% |
How thick is the atmosphere? | Around 15km thick |
What are 'particulate's? | Small solids of smoke and ash, released during human combustion that stay suspended in air |
Describe the conditions and key elements of 'Early Earth'? | Extremely hot atmosphere, consisting mainly of carbon dioxide and water vapour |
Where did most of the carbon dioxide from Early Earth go? | It dissolved into the oceans as the water vapour condensed and formed sedimentary rock |
What's the name for chemicals that are harmful towards the atmosphere? | 'Pollutants' |
Name four pollutants? | Carbon Dioxide, Sulfur Dioxide, Nitrogen Dioxide and Carbon Monoxide |
Exhaust emissions from a car can be made less harmful by using a? | Catalytic converter |
In a reaction when chemicals join with oxygen, it is called? | Oxidation |
What is methane also known as? | Natural Gas |
What is 'complete combustion'? | When carbon and oxygen are equally arranged to form carbon dioxide |
Catalytic converters do what to nitrogen monoxide? | Split the molecule to form nitrogen and oxygen. This is called 'reduction' |
What pollutant is removed in 'wet scrubbing'? | Sulfur Dioxide |
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