Chemistry chemical tests
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chemical tests
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21 Terms
Chloride test
Add nitric acid to remove impurities then add silver nitrate solution, forms a white ppt
Bromide test
Add nitric acid to remove impurities then add silver nitrate solution, forms a cream ppt
iodide test
Add nitric acid to remove impurities then add silver nitrate solution, forms a yellow ppt
Sulfate test
Add hydrochloric acid to remove impurities then add barium chloride solution, forms a white ppt
Carbonate test
Add hydrochloric acid, carbon dioxide gas will form
Copper test
Add sodium hydroxide solution, blue ppt forms
Iron(II) test
Add sodium hydroxide solution, green ppt forms
Iron(III) test
Add sodium hydroxide solution, brown ppt forms
Ammonium test
Add sodium hydroxide solution and heat, ammonia gas is given off
Lithium flame test
dip platinum into hcl to remove impurities, then dip into lithium and hold them in a roaring bunsen burner flame. The color will be red.
Sodium flame test
dip platinum into hcl to remove impurities, then dip into sodium and hold them in a roaring bunsen burner flame. The color will be yellow.
Copper flame test
dip platinum into hcl to remove impurities, then dip into potassium and hold them in a roaring bunsen burner flame. The color will be blue-green.
Calcium flame test
dip platinum into hcl to remove impurities, then dip into calcium and hold them in a roaring bunsen burner flame. The color will be orange-red.
Potassium flame test
dip platinum into hcl to remove impurities, then dip into potassium and hold them in a roaring bunsen burner flame. The color will be lilac.
Water test (not pure)
Add liquid to solid anhydrous copper sulphate, white solid turns blue in water’s presence
Pure water test
When boiled, the boiling temperature will be exactly 100 degrees celsius
Hydrogen gas
Lit splint goes out with a squeaky pop
Oxygen gas
Glowing splint relights
Carbon dioxide gas
When bubbled through lime water, it turns milky
Ammonia
Turns damp blue litmus paper red
Chlorine
Turns damp red litmus paper blue, then bleaches
Note 
Flashcards (35)