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.
Hone your students’ observation skills by asking them to observe two microscale reactions: neutralising citric acid and creating a lead iodide precipitate
Try these tips, ideas and activities to help you teach this topic
Introduce learners to the pH scale and the Universal Indicator chart by using these colour by number worksheets.
Research and presentation activity based on catalysts and reaction conditions in the context of sustainable industry.
Classroom activity where learners explore and debate the issues around fossil fuels, energy and global carbon emissions.
Assess learners’ understanding of the mechanism of cisplatin as an anticancer drug with these examination-style questions.
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