Kitchen chemistry: The chemistry of baking powder

Information and questions about how baking powder works.

Resource
The preparation of 2-hydroxybenzoic acid | 16–18 years
Heat, react, convert and separate oil of wintergreen to create 2-hydroxybenzoic acid. Includes kit list and safety instructions.
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The preparation of aspirin | 16–18 years
Discover the method by which learners can form aspirin in the classroom. Includes kit list and safety instructions.
Experiment
Acid–base back titration | 16–18 years
Write balanced equations and calculate reacting masses and moles to find the limiting reagent

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Resource
The aspirin story | 16–18 years
Find out about the discovery and use of aspirin with this research and presentation task for groups of 16–18 year-old learners
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Thin-layer chromatography and analgesics | 16–18 years
Explore the use of painkillers and their other effects: antipyretic, anti-inflammatory and antirheumatic. Includes kit list and safety instructions.
Resource
The solubility of aspirin | 16–18 years
This activity is a useful vehicle for reinforcing ideas relating to strong and weak acids, basicity and elementary chemical calculations. Includes kit list and safety instructions.