Edexcel IGCSE Chemistry 复习笔记 4.2.2 Combustion
Edexcel IGCSE Chemistry 复习笔记 4.2.2 Combustion Fuels & Combustion The combustion of fossil fuels is the major source of atmospheric pollution Fossil fuels include: coal, oil, natural ...
Edexcel IGCSE Chemistry 复习笔记 4.2.1 Crude Oil & Fractional Distillation
Edexcel IGCSE Chemistry 复习笔记 4.2.1 Crude Oil & Fractional Distillation Crude Oil & Fractional Distillation Crude oil as a mixture is not a very useful substance but the different...
Edexcel IGCSE Chemistry 复习笔记 4.1.3 Classifying Organic Reactions
Edexcel IGCSE Chemistry 复习笔记 4.1.3 Classifying Organic Reactions Classifying Organic Reactions The reactions of organic compounds can be classified into substitution, addition and combus...
Edexcel IGCSE Chemistry 复习笔记 4.1.2 Naming Organic Compounds
Edexcel IGCSE Chemistry 复习笔记 4.1.2 Naming Organic Compounds Naming Organic Compounds Names of compounds The names of organic compounds have two parts: the prefix or stem and the end part...
Edexcel IGCSE Chemistry 复习笔记 4.1.1 Organic Compounds
Edexcel IGCSE Chemistry 复习笔记 4.1.1 Organic Compounds Representing Organic Compounds Introduction Organic Chemistry is the scientific study of the structure, properties, and reactions of ...
Edexcel IGCSE Chemistry 复习笔记 3.3.3 The Position of Equilibrium
Edexcel IGCSE Chemistry 复习笔记 3.3.3 The Position of Equilibrium Factors that Affect the Position of Equilibrium When a change is made to the conditions of a system at equilibrium, the sy...
Edexcel IGCSE Chemistry 复习笔记 3.3.2 Dynamic Equilibrium
Edexcel IGCSE Chemistry 复习笔记 3.3.2 Dynamic Equilibrium Dynamic Equilibrium We have already seen that a reversible reaction is one that occurs in both directions When during the course of reacti...
Edexcel IGCSE Chemistry 复习笔记 3.3.1 Reversible Reactions
Edexcel IGCSE Chemistry 复习笔记 3.3.1 Reversible Reactions Reversible Reactions Some reactions go to completion, where the reactants are used up to form the product molecules and the reacti...
2022年GCSE成绩8月即将公布，评分系统更新！
由于疫情原因，不管是在国内的孩子们还是在国外的孩子们上学、考试都受到了影响。 英国教育局深知学生们在疫情期间受到的影响很大，所以在今年的考试评分也将会相对宽松一些。 那让我们来看看，今年GCSE考试的相...
