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Describe how you would investigate which of the three liquid alcohols, ethanol, propanol and butanol, heats the water in the boiling tube the fastest.
Chemistry 0620 · IGCSE · Alcohols
Alcohols — practice question
Spirit burners can be filled with liquid alcohols and used as fuels. The energy released can then be used to heat water in a boiling tube, as shown in Fig. 4.1.
Fig. 4.1 labels: thermometer, boiling tube, water, spirit burner, liquid alcohol.
You are supplied with three spirit burners, samples of the three alcohols, water and ordinary laboratory apparatus.