Tests for anions (Edexcel GCSE Chemistry Combined Science): Flashcards

Negatively charged ions

Atom gains one or more electrons

$HCl$ and limewater

Limewater turns cloudy/milky

Calcium carbonate ($CaCO₃$)

$HCl$ and $BaCl₂$

White precipitate forms

Barium sulphate ($BaSO₄$)

$HNO₃$ and $AgNO₃$

White precipitate ($AgCl$)

Cream precipitate ($AgBr$)

Yellow precipitate ($AgI$)