Edexcel IGCSE Chemistry 复习笔记 2.7.5 Prepare a Soluble Salt
Edexcel IGCSE Chemistry 复习笔记 2.7.5 Prepare a Soluble Salt Prepare a Soluble Salt A soluble salt can be made from the reaction of an acid with an insoluble base During the preparation of ...
Edexcel IGCSE Chemistry 复习笔记 2.7.4 Bases
Edexcel IGCSE Chemistry 复习笔记 2.7.4 Bases Bases What makes a base act like a base? Bases are substances which can neutralise an acid, forming a salt and water The term base and alkali are not th...
Edexcel IGCSE Chemistry 复习笔记 2.7.3 Reactions of Acids
Edexcel IGCSE Chemistry 复习笔记 2.7.3 Reactions of Acids Reactions of Acids Reactions of acids with metals Only metals above hydrogen in the reactivity series will react with dilute acids T...
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...
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
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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 ...
