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positive result of a test for chlorine gas
bleaches damp blue litmus paper
positive result of a test for oxygen gas
glowing splint relights
positive result of a test for hydrogen gas
lit splint gives a squeaky pop
positive result of a test for carbon dioxide
limewater turns cloudy
positive result of a test for carbonate ions
gas which results from a reaction with hydrochloric acid turns limewater cloudy
how to test for sulfate ions
react with hydrochloric acid, then add barium chloride
positive result of a test for sulfate ions
white precipitate forms
how to test for halide ions
react with nitric acid then add silver nitrate
positive result of a test for chloride ions
white precipitate forms
positive result of a test for bromide ions
cream precipitate forms
positive result of a test for iodide ions
yellow precipitate forms
flame test result for lithium
crimson flame
flame test result for sodium
yellow flame
flame test result for potassium
lilac flame
flame test result for calcium
orange-red flame
flame test result for copper
green flame
how to test cations with the metal hydroxide test
react the substance with sodium hydroxide and observe the precipitate’s colour
metal hydroxide test result for copper
blue precipitate forms
metal hydroxide test result for calcium
white precipitate forms
metal hydroxide test for iron II
green precipitate forms
metal hydroxide test for iron III
brown precipitate forms
metal hydroxide test for magnesium
white precipitate forms
metal hydroxide test for aluminium
white precipitate forms then redissolves to colourless
Note 
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