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Practical skills practice questions

Practise mixed syllabus-aligned questions for Practical skills. Aligned to OCR Gcse Chemistry A Gateway.

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Unofficial practice material A student sets up an experiment to investigate the effect of temperature on the rate of reaction between magnesium ribbon and dilute hydrochloric acid. They use a conical flask, a bung, and a gas syringe to collect the hydrogen gas produced. Describe a clear, reproducible method the student could follow to ensure valid and reliable results for this investigation. Include details of the variables and any safety precautions. [6 marks]

Practical skills questions | OCR GCSE Chemistry A Gateway | ExamCompanion