The pie chart shows the percentages by volume of gases in dry air - Edexcel - GCSE Chemistry - Question 2 - 2018 - Paper 1
Question 2
The pie chart shows the percentages by volume of gases in dry air.
(a) (i) State the name of gas A.
(ii) Gas B is released by photosynthesis.
State the name of gas... show full transcript
Worked Solution & Example Answer:The pie chart shows the percentages by volume of gases in dry air - Edexcel - GCSE Chemistry - Question 2 - 2018 - Paper 1
Step 1
State the name of gas A.
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Answer
Gas A is nitrogen.
Step 2
State the name of gas B and state the percentage of gas B in dry air.
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Answer
The name of gas B is oxygen, and the percentage of gas B in dry air is approximately 21%.
Step 3
Complete the sentence by putting a cross (X) in the box next to your answer.
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