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Edexcel IAL YCH11 Chemistry Unit 3 Practical Skills in Chemistry I (WCH13) Past Papers

Pearson Edexcel International A Level (IAL) YCH11 Chemistry Unit 3 Practical Skills in Chemistry I (WCH13): practical-skills paper. 17 past papers from 2019 to 2025; online practice is opening soon.

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All series

SeriesCodeMaxQsThresholds (min marks)Online
May/June 2025WCH13–––soon
January 2025WCH13–––soon
October 2024WCH13–4–soon
May/June 2024WCH13–––soon
January 2024WCH13–4–soon
October 2023WCH13–––soon
May/June 2023WCH13–––soon
January 2023WCH13–––soon
October 2022WCH13–3–soon
May/June 2022WCH13–––soon
January 2022WCH13–––soon
October 2021WCH13–4–soon
May/June 2021WCH13–––soon
January 2021WCH13–4–soon
October 2020WCH13–––soon
January 2020WCH13–––soon
October 2019WCH13–––soon

Topic coverage (all verified papers)

E2 Measurement, apparatus and techniques91 marks · 50%
E3 Data processing and graphs48 marks · 26%
E5 Conclusions and evaluation21 marks · 11%
E1 Planning an investigation14 marks · 8%
6 marks · 3%
E4 Uncertainties and errors3 marks · 2%
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