ION TESTS

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GCSE science Fichas sobre ION TESTS , creado por Maria Rizzotto el 11/06/2017.
Maria Rizzotto
Fichas por Maria Rizzotto, actualizado hace más de 1 año
Maria Rizzotto
Creado por Maria Rizzotto hace más de 7 años
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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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