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Take the survey Close this messageDesign a chemical stop-clock using different dilutions of two colourless solutions which, when mixed together will remain colourless for a period of time and then suddenly change to a deep blue colour.
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In Search of More Solutions provides material for chemical “egg race” competitions that help to put the fun back into chemistry, and gives students that “little bit extra” to motivate them to follow a scientific or technical career.
2019-10-29T12:27:00Z
In this practical activity, students will monitor reactions of acids and develop a theory to explain their observations
2019-09-16T09:00:00Z
Prepare students to use their learning in different situations
2019-11-06T09:56:00Z
Ask students to plan experiments, record data and draw conclusions in this practical activity
2019-10-30T10:26:00Z
Examine the environmental impact of our clothing with these resources
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