This activity is in two parts; first, students make observations while carrying out tests for various negative ions, then they use their observations to help identify the negative ions present in a number of solutions.
This practical is part of our Chemistry for Non-Specialists collection.
2021-01-20T03:00:00Z
How to demonstrate the Beer–Lambert law using your smartphone as a light meter
Use your smartphone to measure changes in concentration across different concentrations of squash at home or in the classroom. Use your results to predict the concentration of an unknown dilution of squash.
2021-01-18T13:27:00Z
How wearable tech uses chemistry to help monitor your health – with spectroscopy, battery technology and smart materials
Use this tutorial, including a video demonstration, to help post-16 students learn about equilibrium, the Gibbs free energy and the feasibility of reactions.
Try this tutorial with accompanying videos to help teach students on post-16 courses about the concept of entropy and the second law of thermodynamics.
Use this tutorial with videos to explore how the chance behaviour of particles and energy determines the direction and reversibility of chemical reactions.
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