Test for ions

Front

Burns with an orange flame

Back

Na⁺

Front

Burns with a lilac flame

Back

K⁺

Front

Burns with a brick red flame

Back

Ca²⁺

Front

Burns with a crimson-red flame

Back

Li⁺

Front

Forms a blue precipitate with NaOH

Back

Cu²⁺

Front

Forms a green precipitate with NaOH

Back

Fe²⁺

Front

Produces a white precipitate with BaCL₂

Back

SO₄^2-

Front

Produces CO₂ when HCl is added

Back

CO₃^2-

Front

Forms a reddish brown precipitate with NaOH

Back

Fe³⁺

Front

Produces a white precipitate with AgNO₃

Back

Cl^-

(Chloride)