2678203
Descripción
Mapa Mental por bella.mort, actualizado hace más de 1 año
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Creado por bella.mort
hace alrededor de 9 años
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Tests for negative ions
- Carbonate ions
- Add dilute hydrochloric acid to the
substance to see if it fizzes. If it does and
the gas turns limewater milky, the
substance contains carbonate ions.
- Add dilute hydrochloric acid to the
substance to see if it fizzes. If it does and
the gas turns limewater milky, the
substance contains carbonate ions.
- Halide ions
- Add dilute nitric acid and then silver nitrate solution
- Chloride ions: White precipitate
- Bromide ions: Cream precipitate
- Iodide ions: Yellow precipitate
- Chloride ions: White precipitate
- Add dilute nitric acid and then silver nitrate solution
- Sulfate ions
- Add dilute hydrochloric acid and then barium chloride solution.
- If a white precipitate forms, sulfate ions are present.
- If a white precipitate forms, sulfate ions are present.
- Add dilute hydrochloric acid and then barium chloride solution.
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