Figure 5 shows the percentage of three gases, X, Y and Z, in the Earth's early atmosphere - Edexcel - GCSE Chemistry Combined Science - Question 3 - 2023 - Paper 2
Question 3
Figure 5 shows the percentage of three gases, X, Y and Z, in the Earth's early atmosphere.
percentage of gas in Earth's early atmosphere
100
90
80
70
60
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Worked Solution & Example Answer:Figure 5 shows the percentage of three gases, X, Y and Z, in the Earth's early atmosphere - Edexcel - GCSE Chemistry Combined Science - Question 3 - 2023 - Paper 2
Step 1
What is the name of gas Z?
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Answer
Gas Z is identified as nitrogen, which is predominantly present in the Earth's early atmosphere. This is concluded from the graphical data representation showing significant percentages of gases.
