Flashcards
ION TESTS
Cards in this deck (7)
- 1Sodium (Na+) Flame testYellow
- 2Potassium (K+) Flame testLilac
- 3Calcium (Ca2+) Flame TestRed
- 4Copper (cu2+)Green - blue
- 5test 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) - 6Test 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 - 7Test 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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- GCSE science Flashcards on ION TESTS , created by Maria Rizzotto on 11/06/2017.
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- Maria Rizzotto
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