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
Edexcel IGCSE Chemistry 复习笔记 4.4.2 Bromine & Alkenes Bromine & Alkenes Alkenes are a homologous series of hydrocarbon compounds with at least one double bond between two of the c...
Edexcel IGCSE Chemistry 复习笔记 4.4.1 Alkenes
Edexcel IGCSE Chemistry 复习笔记 4.4.1 Alkenes The Alkenes All alkenes contain a double carbon bond, which is shown as two lines between two of the carbon atoms i.e. C=C All alkenes contain ...
Edexcel IGCSE Chemistry 复习笔记 4.3.2 Halogens & Alkanes
Edexcel IGCSE Chemistry 复习笔记 4.3.2 Halogens & Alkanes Halogens & Alkanes In a substitution reaction, one atom is swapped with another atom Alkanes undergo a substitution reaction...
Edexcel IGCSE Chemistry 复习笔记 4.3.1 Alkanes
Edexcel IGCSE Chemistry 复习笔记 4.3.1 Alkanes The Alkanes Alkanes are a group of saturated hydrocarbons The term saturated means that they only have single carbon-carbon bonds, there are no...
Edexcel IGCSE Chemistry 复习笔记 4.2.4 Cracking
Edexcel IGCSE Chemistry 复习笔记 4.2.4 Cracking Cracking Saturated molecules contain single bonds only whereas unsaturated molecules contain double bonds between their carbon atoms Alkanes a...
Edexcel IGCSE Chemistry 复习笔记 4.2.3 Nitrogen Oxides & Sulfur Dioxide
Edexcel IGCSE Chemistry 复习笔记 4.2.3 Nitrogen Oxides & Sulfur Dioxide Formation of Nitrogen Oxides Nitrogen Oxides These compounds (NO and NO2) are formed when nitrogen and oxygen reac...
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...
