Exam (elaborations)
OCR 2023 GCSE CHEMISTRY A (GATEWAY SCIENCE) J248/02: PAPER 2 (FOUNDATION TIER) QUESTION PAPER & MARK SCHEME (MERGED)
2 © OCR 2023 Section A You should spend a maximum of 30 minutes on this section. Write your answer to each question in the box provided. 1 A student does a flame test with a sample of potassium chloride. Which colour is the flame? A Lilac B Green‑blue C Red D Yellow Your answer [1] 2...
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