Combined Science (A) J250,04 Foundation November 2021, OCR GCSE Past Papers with Mark Schemes

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The GCSE Combined Science (Chemistry) Paper 4, June 2020, assesses fundamental chemical principles such as the periodic table, reaction types, and environmental impact of chemicals. It covers topics including Group 1 and Group 7 elements, properties of hydrocarbons, electrolysis of aluminium oxide, greenhouse gases, and the role of catalysts. Questions emphasize data analysis, reaction mechanisms, and the application of scientific methods. Key areas include predicting trends, balancing equations, interpreting graphs, and understanding the significance of chemical reactions in real-world contexts, with a focus on critical reasoning and problem-solving skills.

OCR GCSE Comined Sciences (J250) Nov 2021

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Classification: OCR Paper 4

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Last update: 4 months ago

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Combined Science (A) J250,04 Foundation November 2021, OCR GCSE Past Papers with Mark Schemes

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