Edexcel IGCSE Chemistry 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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 復(fù)習(xí)筆記 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...
