Question
CCEA Double Award Practical Paper (Foundation)
A student measures the time taken for magnesium to dissolve in dilute hydrochloric acid at five temperatures. Their results are 60, 48, 12, 22, 14 seconds at 20, 30, 40, 50 and 60 °C.
(a) State which result is anomalous. (1 mark) (b) Suggest one possible cause of the anomaly. (1 mark)
2 marks · take your time before peeking.
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Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.