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Summary AQA GCSE Chemistry Triple: the earth's atmosphere

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This is a revision powerpoint I used to revise for my GCSE exams. Filled with content from the specification, exam tips, questions, quizzes, animations, useful links, diagrams,resources and everything in between in order for you to pass your exams! Also includes information for the required practicals

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Lawrie Ryan, Lawrie Ryan AQA GCSE Chemistry Student Book
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  • 9780198359388
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Summarized whole book?
No
Which chapters are summarized?
Chapter 13
Uploaded on
December 9, 2022
Number of pages
14
Written in
2022/2023
Type
Summary

Subjects

  • gcse
  • chemistry
  • aqa
  • triple
  • science
  • exams
  • grade 9

Content preview

The earths
atmosphere
Chemistry chapter 13

, The Earth’s early
atmosphere
 Evidence from gas bubbles trapped into rocks
 Volcanoes released CO2, H2O and N2 – these gases formed the early atmosphere (small
amounts of methane and ammonia)
 Water condensed to form oceans
 When the oceans formed carbon dioxide dissolved in the water and carbonates were
precipitated producing sediments, reducing the amount of carbon dioxide in the atmosph


 Algae first produced oxygen
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