Learn about acid/base reactions as sodium hydroxide reacts with gas in the air to produce a solution that appears to disappear!
A blue liquid is made. This liquid is tested on a white page, it leaves a blue ink spot. In a few seconds, the blue spot disappears.
This practical is part of our Classic chemistry experiments collection.
Use this to demonstrate this classic and spectacular chemistry experiment
Test learners’ understanding of acid–base equilibria with this series of questions on indicators
Use this experiment to demonstrate the different behaviours of weak and strong acids
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Worksheets, project-based learning tasks and contextualisation stories to develop a core understanding of analytical chemistry
Delve into the world of cosmetics labelling with this activity which takes a close look at the ingredients printed on the back of your shampoo bottles. What are they for and should we be concerned about any of them?
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