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Tutor HuntTest QuestionsChemistry QuestionsYear 10 Chemistry Questions

 

The Proportions Of Different Gases In The Atmosphere (GCSE Chemistry)

The following is a GCSE Chemistry test covering 'The Proportions Of Different Gases In The Atmosphere' from the broader topic Chemistry Of The Atmosphere. The test is geared towards the AQA exam board style syllabus.
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Why does increasing atmospheric carbon dioxide lead to enhanced greenhouse effect?
Which gas in the troposphere can be directly harmful to human health at high concentrations and is produced by incomplete combustion of fossil fuels?
Water vapour is not given as a fixed proportion of the atmosphere because it is:
Which gas in the atmosphere is essential for combustion and respiration?
What human activity directly increases atmospheric methane levels?
Which gas is used as the reference for measuring the percentage composition of dry air when water vapour is excluded?
Which atmospheric component varies most regionally and seasonally and can amplify greenhouse warming when increased?
Which gas is a major greenhouse gas present in the atmosphere at roughly 0.04% (400 ppm)?
Which pollutant gas contributes to acid rain and primarily comes from burning fossil fuels containing sulfur?
Which human activity is a major source of increased atmospheric carbon dioxide?
Which of the following is a natural sink for atmospheric carbon dioxide?