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Chemistry
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Chemistry
Qualitative Analysis (1)
Chemistry
Question
Qualitative Analysis (1)
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Carbonate ion test
Reactants: Dilute acid; Result: Gas turns limewater cloudy
Chloride ion test
Reactants: Dilute nitric acid + Argentum nitrate; Result: White precipitate
Sulphate ion test
Reactants: Dilute hydrochloric acid + Barium chloride; Result: White precipitate
Nitrate ion test
Reactants: Dilute sulphuric acid + Iron(II) sulfate + Concentrated sulphuric acid; Result: Brown ring
Colour of residue after heating: Black
Salt contains copper(II) ions
Colour of residue after heating: Brown
Salt contains iron(II) ions
Confirmation test for ammonium ion
Reactant: Nessler reagent; Result: Brown precipitate
Confirmation test for iron(II) ion
Reactant: Potassium hexacyanoferrate(III); Result: Dark blue precipitate
Qualitative analysis of a salt
Is a technique used to identify the cation and anion present in a salt by analysing its physical and chemical properties
Steps in the qualitative analysis of a salt (1)
Observation on the physical properties of the salt
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Qualitative Analysis (1)
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