ION TESTS

Beschreibung

GCSE science Karteikarten am ION TESTS , erstellt von Maria Rizzotto am 11/06/2017.
Maria Rizzotto
Karteikarten von Maria Rizzotto, aktualisiert more than 1 year ago
Maria Rizzotto
Erstellt von Maria Rizzotto vor mehr als 7 Jahre
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Zusammenfassung der Ressource

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Sodium (Na+) Flame test Yellow
Potassium (K+) Flame test Lilac
Calcium (Ca2+) Flame Test Red
Copper (cu2+) Green - blue
test for carbonate atoms (co3 2- ) -add dilute acid -test the gas given off with limewater IF CARBONATE IONS ARE PRESENT -it will fizz or bubble when gas is given off -the gas will turn the lime water milky (showing co2 is present)
Test for Chloride Ions (Cl-) - add dilute nitric acid -shake the mixture -add drops of silver nitrate IF CHLORIDE IONS ARE PRESENT -a white precipitate of silver chloride forms
Test for Sulfate ions (SO4 2-) -add drops of hydrochloric acid -shake the mixture -add barium chloride IF SULPHATE IONS ARE PRESENT -a white precipitate of barium sulphate forms
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