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.
2023-01-23T10:00:00Z
Use this fresh, fast approach to demonstrate the colourful oxidation states of vanadium
2022-12-05T09:42:00Z
Give your students a sweet treat with this colourful manganate(VII) reaction demo
Olivia uses analytical techniques to ensure that food products meet legislative requirements for consumers.
Present and prastice a technique to help learners understand the language used in extended-reponse questions and improve their answers
Review your learners’ understanding of electrochemistry and its applications
Develop your learners’ metacognitive skills using thermodynamics questions and calculations
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