Gases in the Atmosphere (AQA GCSE Chemistry Combined Science): 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 percentage of the atmosphere is nitrogen?
What percentage of the atmosphere is nitrogen?
Almost 80%
What percentage of the atmosphere is oxygen?
What percentage 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 allows respiration
What defines a trace gas in the atmosphere?
What defines a trace gas in the atmosphere?
Present in less than 1%
Which of these is a trace gas in the atmosphere?
Which of these is a trace gas in the atmosphere?
Carbon dioxide
What important role do trace gases play?
What important role do trace gases play?
Climate regulation
How have gas proportions changed over the last 200 million years?
How have gas proportions changed over the last 200 million years?
Remained relatively stable
Which two gases together make up almost 100% of the atmosphere?
Which two gases together make up almost 100% of the atmosphere?
Nitrogen and oxygen