Common Anion Tests ( Cl⁻, SO₄²⁻, CO₃²⁻ )
Cl⁻: Add AgNO₃ solution and dilute HNO₃, a white precipitate forms. SO₄²⁻: Add BaCl₂ solution and dilute HCl, a white precipitate forms. CO₃²⁻: Add dilute acid…
Syllabus path: Properties of Substances and Reactions › Ionic Reactions & Testing
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CSCA Chemistry Concept & Principle Guide
Concept, principle, and explanation
Cl⁻: Add AgNO₃ solution and dilute HNO₃, a white precipitate forms. SO₄²⁻: Add BaCl₂ solution and dilute HCl, a white precipitate forms. CO₃²⁻: Add dilute acid, a gas is produced that turns limewater milky.
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Ionic Reactions & Testing
Ionic Reactions & Testing 1. Core Concept: Writing Ionic Equations The essence of an ionic reaction is the reduction of ion concentration. In the CSCA exam, "Split or Keep" is the most frequent testing point for writing and judging ionic equations. The "Split or Keep" Rules 1. Wr…
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