OCR GCSE Chemistry A · J248

Ion Identification

What you need to know

Describe tests to identify aqueous cations and aqueous anions.
Describe tests using sodium hydroxide for calcium, copper, iron(II), iron(III), and zinc.
Describe tests for carbonate ions (using diluted acid), chloride, bromide, and iodide ions (using acidified dilute silver nitrate), and sulfate ions (using acidified dilute barium chloride or nitrate).