The background and chemistry of burning calcium with hydrogen and oxygen to make ‘limelight’.
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Anecdotes in the limelight
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The background and chemistry of burning calcium with hydrogen and oxygen to make ‘limelight’.
The story of the discovery of the Hall-Heroult process for purifying aluminium.
The first electric carbon arc lamp was invented by Sir Humphrey Davy of England in 1801. However it wasn’t until 1880 that the discovery of the longer lasting electric lamp really changed the way we live.
2025-09-15T06:23:00Z By Harry Lord
Particle diagrams, changes of state and their properties – perfect for your 11–14 year-old learners
In this investigation learners use thin-layer chromatography to separate and identify over-the-counter medicines
Identify learning gaps and misconceptions with this set of alkenes worksheets offering three levels of support
This activity explores learners knowledge of different bonding types through 18 diagrams
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