Edexcel IGCSE Chemistry 复习笔记 2.7.7 Prepare an Insoluble Salt Prepare an Insoluble Salt Insoluble salts can be prepared using a precipitation reaction The solid salt obtained is the preci...
Edexcel IGCSE Chemistry 复习笔记 2.7.6 Prepare a Soluble Salt II Prepare a Soluble Salt II Aim: To prepare a sample of a dry salt starting from an acid and an alkali Diagram: Diagram ...
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 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 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 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 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 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 Acids & Alkalis When acids are added to water, they form positively charged hydrogen ions (H+) The presence of ...
