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Monitoring and controlling chemical reactions practice questions

Practise mixed syllabus-aligned questions for Monitoring and controlling chemical reactions. Aligned to OCR Gcse Chemistry A Gateway.

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A student investigated the rate of reaction between sodium thiosulfate solution and hydrochloric acid at room temperature. The reaction produces a yellow precipitate of sulfur. Describe a suitable practical method the student could use to determine the rate of this reaction. Include the apparatus required and how the data would be collected to calculate the rate. [6 marks]

Monitoring and controlling chemical reactions questions | OCR GCSE Chemistry A Gateway | ExamCompanion