Reactions 0.0 / 5 ? ChemistryAnalysing substancesGCSEAQA Created by: stevie97mortonCreated on: 23-04-14 11:41 What test and result is used to test for oxygen? Relight a glowing splint - blow out a lit splint, if it relights then oxygen is present 1 of 27 What test and result is used to test for hydrogen? Squeaky pop test 2 of 27 What test and result is used to test for carbon dioxide? Lime water test - if water turns milky, carbon dioxide is present 3 of 27 What test and result is used to test for chlorine? Bleaches damp litmus paper (either colour) 4 of 27 What test and result is used to test for ammonia? Turns damp red litmus paper blue 5 of 27 What test and result is used to test for alkenes? Turns bromine water colourless 6 of 27 What test and result is used to test for water? Anhydrous - CuSO4 from white to blue 7 of 27 What test and result is used to test for copper carbonate? Heat in ignition tube - green to black 8 of 27 What test and result is used to test for zinc carbonate? Heat in ignition tube - yellow to white (if left black to yellow) 9 of 27 What test and result is used to test for carbonate? Add acid - produces CO2/bubbling 10 of 27 What test and result is used to test for lithium? Dip wire loop into concentrated hydrochloric acid and then into solid compound and then place in Bunsen flame - crimson flame 11 of 27 What test and result is used to test for sodium? Dip wire loop into concentrated hydrochloric acid and then into solid compound and then place in Bunsen flame - yellow/gold flame 12 of 27 What test and result is used to test for potassium? Dip wire loop into concentrated hydrochloric acid and then into solid compound and then place in Bunsen flame - lilac flame 13 of 27 What test and result is used to test for calcium? Dip wire loop into concentrated hydrochloric acid and then into solid compound and then place in Bunsen flame - red flame 14 of 27 What test and result is used to test for barium? Dip wire loop into concentrated hydrochloric acid and then into solid compound and then place in Bunsen flame - green flame 15 of 27 What test and result is used to test for ammonium? Add sodium hydroxide (aq) and warm - turns red litmus paper blue 16 of 27 What test and result is used to test for nitrate? Add sodium hydroxide (aq) and warm and add aluminium powder - turns red litmus paper blue ammonia flames 17 of 27 What test and result is used to test for aluminium? Add sodium hydroxide - white precipitation 18 of 27 What test and result is used to test for calcium? Add sodium hydroxide - white precipitation 19 of 27 What test and result is used to test for magnesium? Add sodium hydroxide - white precipitation 20 of 27 What test and result is used to test for copper? Add sodium hydroxide - blue precipitation 21 of 27 What test and result is used to test for iron (II)? Add sodium hydroxide - green precipitation 22 of 27 What test and result is used to test for iron (III)? Add sodium hydroxide - brown precipitation 23 of 27 What test and result is used to test for chloride? Add dilute nitric acid (aq) then silver nitrate (aq) - white precipitate 24 of 27 What test and result is used to test for bromide? Add dilute nitric acid (aq) then silver nitrate (aq) - cream precipitate 25 of 27 What test and result is used to test for iodide? Add dilute nitric acid (aq) then silver nitrate (aq) - yellow precipitate 26 of 27 What test and result is used to test for sulphate? Add dilute hydrochloric acid (aq) and then barium chloride (aq) - white precipitate 27 of 27
Comments
No comments have yet been made