In the beaker are test-tubes containing different gases - carbon dioxide, dinitrogen oxide, oxygen, chlorine and hydrogen. You may remove a test-tube only once and when you do so you must identify the gas immediately.
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.
2019-12-17T09:39:00Z
How independent research projects will benefit you and your students
Joni investigates biological samples for the presence of drugs and alcohol and also examines evidence seized by the police
2020-01-22T11:30:00Z
What exactly is happening when foods change colour?
2019-12-18T11:38:00Z
Help to apply maths skills to chemistry lessons: ratios
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