CSCA ChemistryChapter 2: Properties and Reactions of SubstancesIntermediate
Ionic Reactions & Testing Methods
离子反应方程式书写与常见离子检验方法 · Node 2.4
Net ionic equations, solubility rules, precipitation, and qualitative testing for Fe3+, Cl-, SO4(2-), and flame tests.
Chapter Weight: 30% of official examination
Practice This NodeCore Mathematical Axiom
Formula Proof & TrapsCSCA Exam Trap Alert
Omitting acidification with dilute HCl prior to BaCl2 addition when testing for sulfate ions (SO4(2-)).