Chemistry 9-1 0971: Chemical Energetics Topical Past Paper Questions
Cambridge IGCSE Chemistry 9-1 (0971) past-paper questions on Chemical Energetics, free. This topic is frequently examined across 13 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
A student investigates the temperature change when citric acid reacts with sodium carbonate. The student does five experiments. ## Experiment 1 • Use a $ 10 \, cm^3 $ measuring cylinder to pour $ 1.0 \, cm^3 $ of distilled water into a boiling tube. Use a thermometer to measure t…
Liquid alcohols can be burned as fuels in spirit burners. The energy given out can be used to heat water in a boiling tube as shown in Fig. 4.1. Fig. 4.1 Describe how to investigate which of three liquid alcohols, ethanol, propanol and butanol, heats the water in the boiling tube…
A student investigates the rate of the reaction between aqueous iron(III) nitrate and aqueous sodium thiosulfate. The student does five experiments using the apparatus shown in Fig. 2.1. Fig. 2.1 ## Experiment 1 Use a 50cm³ measuring cylinder to pour 50cm³ of aqueous iron(III) ni…
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