Gases in the Atmosphere (AQA GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
How long has the modern atmosphere existed in its current form?
How long has the modern atmosphere existed in its current form?
200 million years
What proportion of the atmosphere is made up of nitrogen?
What proportion of the atmosphere is made up of nitrogen?
Almost 80%
What proportion of the atmosphere is oxygen?
What proportion of the atmosphere is oxygen?
About 20%
Which gas is the most abundant in the atmosphere?
Which gas is the most abundant in the atmosphere?
Nitrogen
Why is oxygen crucial for living organisms?
Why is oxygen crucial for living organisms?
It enables respiration
What defines a trace gas in the atmosphere?
What defines a trace gas in the atmosphere?
Present in less than 1%
Which of the following is a trace gas?
Which of the following is a trace gas?
Carbon dioxide
Which gas is NOT a trace gas?
Which gas is NOT a trace gas?
Nitrogen
What role do trace gases play in the environment?
What role do trace gases play in the environment?
Regulate climate
How have atmospheric gas proportions changed over 200 million years?
How have atmospheric gas proportions changed over 200 million years?
Remained relatively stable