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Unit 3 Reactions
Tests for gases, cations, anions etc,
21
Chemistry
Undergraduate 1
12/29/2008

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Cards

Term
Test for Mg(2+)
Definition
Add dilute ammonia, white precipitate formed
Term
Test for ammonia
Definition
Turns red litmus blue
Term
Test for Chlorine
Definition
Rapidly bleaches litmus paper
Term
Test for Nitrogen dioxode
Definition
Turns iodide paper black, brown gas
Term
Test for Sulphur dioxide
Definition
Turns filter paper soaked in K2Cr2O7 orange to green
Term
Test for CO3(2-)
Definition
Add acid, test for carbon dioxode present
Term
Test for HCO3(-)
Definition
Add to near boiling water, test for carbon dioxide
Term
Test for SO4(2-)
Definition
Add BaCl2 and dil. HCl, warm and white ppt. of BaSO4 formed
Term
Test for HSO4(-)
Definition
Turns blue litmus red. Test for SO4
Term
Test for SO3(2-)
Definition
Add dil HCl and warm, turns K2Cr2O7 from orange to green
Term
Test for NO3(-)
Definition
Add Al powder and NaOH. NH3 given off
Term
Test for ammonium ions
Definition
Add NaOH, warm, NH3 given off
Term
Test for inorganic halide
Definition
Add silver nitrate and nitric acid
Term
Test for organic halide
Definition
Warm with NaOH, add silver nitrate and nitric acid
Term
Group one salts are...
Definition
Soluble
Term
Ammonium salts are...
Definition
Soluble
Term
Nitrates are...
Definition
Soluble
Term
Halides are... apart from...
Definition
Soluble/Silver
Term
Sulphites are... apart from
Definition
Soluble/Ba, Sr, Pb
Term
All Carbonates are... apart from
Definition
insoluble/Group 1
Term
All hydroxides are...
Definition
Insoluble apart from group 1, Ba, NH4
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