Edexcel IGCSE Chemistry 复习笔记 4.7.1 Esters
Edexcel IGCSE Chemistry 复习笔记 4.7.1 Esters The Esters Making Esters Alcohols and carboxylic acids react to make esters in esterification reactions Esters are compounds with the functional...
Edexcel IGCSE Chemistry 复习笔记 4.6.2 Reactions of Carboxylic Acids
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Edexcel IGCSE Chemistry 复习笔记 4.6.1 Carboxylic Acids The Carboxylic Acids Carboxylic acids is the name given to compounds containing the functional group carboxyl, -COOH The general formu...
CIE A Level Physics复习笔记7.2.2 Polarisation
Polarisation Transverse waves are waves with their displacement perpendicular to their direction of travel. These oscillations can happen in any plane perpendicular to the propagation direction Tra...
Edexcel IGCSE Chemistry 复习笔记 4.5.3 Manufacture of Ethanol
Edexcel IGCSE Chemistry 复习笔记 4.5.3 Manufacture of Ethanol Industrial Synthesis of Ethanol Ethanol can be synthesised by the hydration of ethene Ethene is a by-product of the cracking of ...
Edexcel IGCSE Chemistry 复习笔记 4.5.2 Oxidation of Ethanol
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Edexcel IGCSE Chemistry 复习笔记 4.5.1 Alcohols
Edexcel IGCSE Chemistry 复习笔记 4.5.1 Alcohols The Alcohols Alcohols are colourless liquids that dissolve in water to form neutral solutions The first four alcohols are commonly used as fue...
Edexcel IGCSE Chemistry 复习笔记 4.4.2 Bromine & Alkenes
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CIE A Level Physics复习笔记7.2.1 Electromagnetic Spectrum
Properties of Electromagnetic Waves Visible light is just one part of a much bigger spectrum: The Electromagnetic Spectrum All electromagnetic waves have the following properties in common: They ar...
