IGCSEChemistry: Double ScienceEdexcelRevision Notes2. Inorganic Chemistry2.6 Acids, Bases & Salt Preparations2.6.1 Solubility Rules

Solubility Rules (Edexcel IGCSE Chemistry: Double Science)

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Solubility Rules

Ionic compounds are generally soluble in water compared to covalent substances, but there are exceptions
A knowledge of the solubility of ionic compounds helps us to determine the most appropriate method for the preparation of salts
The solubility of common ionic compounds is shown below:

Solubility of Ionic Compounds Table

Solubility of Ionic Compounds Table, downloadable IGCSE & GCSE Chemistry revision notes

Calcium hydroxide is slightly soluble in water

Exam Tip

Calcium hydroxide solution is more commonly know as limewater and is used to test for carbon dioxide.

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Author: Stewart

Stewart has been an enthusiastic GCSE, IGCSE, A Level and IB teacher for more than 30 years in the UK as well as overseas, and has also been an examiner for IB and A Level. As a long-standing Head of Science, Stewart brings a wealth of experience to creating Topic Questions and revision materials for Save My Exams. Stewart specialises in Chemistry, but has also taught Physics and Environmental Systems and Societies.