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Exam (elaborations)

AQA GCSE CHEMISTRY Foundation Tier Paper 2F June 2021 QP
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June 2022

2020/2021

A+
This question is about the Earth’s atmosphere. box 0 1 . 1 How long ago was the Earth formed? [1 mark] Tick () one box. 4.6 billion years ago 4.6 million years ago 4.6 thousand years ago Table 1 shows the percentages of gases in the atmospheres of Mars and Earth today. Table 1 Gas Percentage of gas in atmosphere (%) Mars Earth Carbon dioxide 95.97 0.04 Nitrogen 1.89 78.09 Oxygen 0.15 20.95 Other gases 1.99 X 0 1 . 2 Calculate the percentage X of other gases in the Earth’s ...
Greaterheights
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Exam (elaborations)

AQA GCSE COMBINED SCIENCE:TRILOGY Foundation Tier Chemistry paper 2F QP June2021
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36

June 2022

2020/2021

A+
AQA GCSE COMBINED SCIENCE:TRILOGY Foundation Tier Chemistry paper 2F QP June2021 0 1 Fresh water contains low levels of dissolved salts. Water reacts with anhydrous copper sulfate in a reversible reaction. The word equation for the reaction is: water + anhydrous copper sulfate ⇌ hydrated copper sulfate 0 1 . 1 How does the equation show that the reaction is reversible? [1 mark] 0 1 . 2 Complete the sentences. Choose answers from the box. [2 marks] blue green orange white yellow The ...
Greaterheights
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Exam (elaborations)

AQA GCSE SPANISH Higher Tier Paper 1 Listening Test Transcript
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4

January 2022

2021/2022

A+
AQA GCSE SPANISH Higher Tier Paper 1 Listening Test Transcript
BrainEdge
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Exam (elaborations)

AQA GCSE SPANISH Higher Tier Paper 1 Listening Test Transcript May 2020
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4.0

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4

November 2021

2021/2022

A+
AQA GCSE SPANISH Higher Tier Paper 1 Listening Test Transcript May 2020
mikaelso
$11.99 More Info