Information and questions about how baking powder works.
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The chemistry of baking powder
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Information and questions about how baking powder works.
In association with Nuffield Foundation
Ethanol and propan-1-ol are tested for pH, reaction with sodium, combustion and oxidation with acidified dichromate(VI) solution.
By Helen Harden
Introduce Johnstone’s triangle as a method of understanding the combustion of ethanol and the different respresentation of alcohols
In association with Nuffield Foundation
Use this demonstration and practical to investigate properties of hydrogen chloride, such as its solubility in water.
By Helen Harden and Neil Goalby
Datblygu dealltwriaeth y dysgwyr o ddellt ïonig drwy gymharu cynrychioliadau 2D a 3D
Defnyddiwch yr awgrymiadau sydd wedi’u sgaffaldio i helpu’r dysgwyr i ysgrifennu am swm y sylwedd mewn molau
By Sarah Binns
Rhoi cydbwyso hafaliadau cemegol mewn cyd-destun gyda chwestiynau am danwydd
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