愛德思公布11月GCSE秋考預先信息
今年5-6月大考成績將在8月中旬前后放榜,在等待出分之前,很多考生早已投入到緊張的備考當中。 與此同時,愛德思考試局也發布了針對秋季大考的預先信息(Advance Information),正在備考的小伙伴過來劃重點啦~ 0...
今年5-6月大考成績將在8月中旬前后放榜,在等待出分之前,很多考生早已投入到緊張的備考當中。 與此同時,愛德思考試局也發布了針對秋季大考的預先信息(Advance Information),正在備考的小伙伴過來劃重點啦~ 0...
Edexcel IGCSE Chemistry 復習筆記 4.8.3 Condensation Polymers Condensation Polymers Condensation polymers are formed when?two different monomers?are linked together with the?removal?of a smal...
Edexcel IGCSE Chemistry 復習筆記 4.8.2 Disposal of Addition Polymers Disposal of Addition Polymers Addition polymers are formed by the joining up of many small molecules with?strong C-C bond...
Edexcel IGCSE Chemistry 復習筆記 4.8.1 Addition Polymers Monomers Polymers are large molecules of?high relative molecular mass?and are made by linking together large numbers of smaller molec...
Edexcel IGCSE Chemistry 復習筆記 4.7.2 Practical: Preparation of Ethyl Ethanoate Practical: Preparation of Ethyl Ethanoate Aim: To prepare a small sample of ethyl ethanoate Diagram: &...
Edexcel IGCSE Chemistry 復習筆記 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 復習筆記 4.6.2 Reactions of Carboxylic Acids Reactions of Carboxylic Acids The carboxylic acids behave like other acids They react with?metals?to form a salt and hydr...
Edexcel IGCSE Chemistry 復習筆記 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...
Edexcel IGCSE Chemistry 復習筆記 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 ...
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