Edexcel IGCSE Chemistry 复习笔记 2.7.2 Acids, Bases & Protons
Edexcel IGCSE Chemistry 复习笔记 2.7.2 Acids, Bases & Protons Acids, Bases & Protons Proton transfer The earlier definition of an acid and a base can be extended In terms of proton t...
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Edexcel IGCSE Chemistry 复习笔记 2.7.1 Solubility Rules
Edexcel IGCSE Chemistry 复习笔记 2.7.1 Solubility Rules Solubility Rules Ionic compounds are generally soluble in water compared to covalent substances, but there are exceptions A knowledge ...
Edexcel IGCSE Chemistry 复习笔记 2.6.3 Acid-Alkali Titrations
Edexcel IGCSE Chemistry 复习笔记 2.6.3 Acid-Alkali Titrations Acid-Alkali Titrations Titrations are a method of analysing the concentration of solutions Acid-base titrations are one of the m...
Edexcel IGCSE Chemistry 复习笔记 2.6.2 Acids, Alkalis & Neutralisation
Edexcel IGCSE Chemistry 复习笔记 2.6.2 Acids, Alkalis & Neutralisation Acids & Alkalis When acids are added to water, they form positively charged hydrogen ions (H+) The presence of ...
Edexcel IGCSE Chemistry 复习笔记 2.6.1 Indicators
Edexcel IGCSE Chemistry 复习笔记 2.6.1 Indicators Two Colour Indicators Two colours indicators are used to distinguish between acids and alkalis Many plants contain substances that can act as indic...
Edexcel IGCSE Chemistry 复习笔记 2.5.4 Alloys
Edexcel IGCSE Chemistry 复习笔记 2.5.4 Alloys Alloys Alloys are mixtures of metals, where the metals are mixed together physically but are not chemically combined They can also be made from ...
Edexcel IGCSE Chemistry 复习笔记 2.5.3 Using Metals
Edexcel IGCSE Chemistry 复习笔记 2.5.3 Using Metals Using Metals The uses of aluminium, copper and steel are summarised in these tables: Uses of Aluminium Uses of Copper...
Edexcel IGCSE Chemistry 复习笔记 2.5.2 Extracting Metals
Edexcel IGCSE Chemistry 复习笔记 2.5.2 Extracting Metals Extracting Metals Extraction of metals and the reactivity series The most reactive metals are at the top of the series The tendency t...
Edexcel IGCSE Chemistry 复习笔记 2.5.1 Sources of Metals
Edexcel IGCSE Chemistry 复习笔记 2.5.1 Sources of Metals Sources of Metals The Earth’s crust contains metals and metal compounds such as gold, copper, iron oxide and aluminium oxide Useful m...
