Chemistry tests to know

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How to test for ammonium ions?
Add NaOH and gently heat. Hold your litmus paper over, and it should turn from red to blue
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carbonate ions
Add HCl, then limewater. CO2 will be produced, limewater turns cloudy
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sulfate ions
HCl + Barium Chloride. White precipitate of Barium Sulfate is produced
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Testing for Halides
Add nitric acid + silver nitrate. You will produce a white, or creamy or yellow precipitate
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Further Tests for halides
Dilute Ammonia, Conc Ammonia, Conc Ammonia - Dissolves, Dossolves, No change
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Solid Chloride
Conc H2SO4 - steamy fumes of HCl
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Solid Bromide
Conc H2SO4 - production of steamy fumes of HBr and brown Br2
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Solid Iodide
Conc H2SO4 - production of steamy fumes of HI, H2S (rotten egg smell)
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Testing for an Alkene
Bromine Water (turns colourless)
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Testing for an Aldehyde
Fehling's Solution ( Blue to red precipitate) or Tollen's (silver mirror formed)
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Carboxylic Acid
Sodium Hydrogen Carbonat (CO2 Produced)
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1,2 Alcohol and aldehyde
Sodium dichromate and sulfiric acid (Orange to Green colour)
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Acyl Chloride
Silver Chloride (Steamy fumes of HCl, production of white precipitate)
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Other cards in this set

Card 2

Front

carbonate ions

Back

Add HCl, then limewater. CO2 will be produced, limewater turns cloudy

Card 3

Front

sulfate ions

Back

Preview of the front of card 3

Card 4

Front

Testing for Halides

Back

Preview of the front of card 4

Card 5

Front

Further Tests for halides

Back

Preview of the front of card 5
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