Chemistry A (9-1) - Gateway Science Suite J248 9-1: Practical skills Topical Past Paper Questions
OCR GCSE (9-1) Chemistry A (9-1) - Gateway Science Suite J248 (9-1) past-paper questions on Practical skills, free. This topic is regularly examined across 6 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
A student investigates the reaction between marble chips and dilute hydrochloric acid. The diagram shows their experiment. The student measures the volume of carbon dioxide gas collected in the measuring cylinder every 30 seconds. (a) (i) Suggest another piece of equipment that c…
A student plans a titration experiment. The diagram shows some of the apparatus they use. (a) At the end of the titration, the student reads the final volume reading from the top of the meniscus instead of from the bottom of the meniscus. How does the measured volume of potassium…
A student investigates the rate of reaction between large marble chips and dilute hydrochloric acid. The student measures the volume of carbon dioxide gas given off every 30 seconds. Look at the apparatus they use. (a) State how the student can improve their experiment to measure…
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