Determine the formula of copper(II) oxide by reducing it using hydrogen or methane. Natural gas (mainly methane) can also be used as a reducing agent, but the reaction is much slower.
This practical is part of our Chemistry for non-specialists and Classic chemistry demonstrations collections.
In association with Nuffield Foundation
Students heat copper(II) oxide in a glass tube while passing methane over it. The copper(II) oxide is reduced to copper. If the reactants and products are weighed carefully the formula of the copper oxide can be deduced. This could also be used simply as an example of reduction.
Test your 11–14 students’ knowledge of separation techniques; elements, mixtures and compounds; periodic table trends
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In association with The National HE STEM Programme
Looking beyond your chemistry degree? Use this self-study resource to learn about the skills and knowledge you need to build a career in business or industry.
Resources used by some of the activity providers for outreach work as part of the Chemistry for All project. Resources for careers related activities, STEM club activities and support for longer projects.
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