The Atmosphere (Edexcel 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 nitrogen?
What proportion of the atmosphere is 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
What proportion defines a trace gas in the atmosphere?
What proportion defines a trace gas in the atmosphere?
Less than 1%
Which of the following is NOT a trace gas?
Which of the following is NOT a trace gas?
Nitrogen
What is oxygen's crucial role for living organisms?
What is oxygen's crucial role for living organisms?
Respiration
Which of these is an example of a trace gas?
Which of these is an example of a trace gas?
Carbon dioxide
What role do trace gases play in the environment?
What role do trace gases play in the environment?
Climate regulation
How stable have atmospheric gas proportions been?
How stable have atmospheric gas proportions been?
Stable for 200 million years