Tests for Anions, Cations and Gases: CIE IGSCE 0.0 / 5 ? ChemistryTesting and analysing substancesIGCSECIE Created by: 7h357ud3n7Created on: 25-04-16 12:36 Carbonate CO3^2- Add dilute acid - evervescene, CO2 produced 1 of 23 Chlorine Cl- (in solution) Acidify with dilute nitric acid, then add aq silver nitrate, white ppt 2 of 23 Iodide I- (in solution) acidify with dilute Nitric acid, then add aq silver nitrate, yellow ppt 3 of 23 Nitrate NO3- (in solution) Add aq Sodium Hydroxide, then Aluminium foil; warm carefully, ammonia produced 4 of 23 Sulfate SO2^4- Acidify, then add aq barium nitrate, white ppt 5 of 23 Aluminium Al3+ aq Sodium Hydroxide: White ppt, soluble in excess - colourless solution 6 of 23 Aluminium AL3+ aq Ammonia: white ppt, insoluble in excess 7 of 23 Ammonium NH4^+ aq Sodium Hydroxide: ammonia made on warming 8 of 23 Calcium Ca^2+ aq Sodium Hydroxide:white ppt, insoluble excess 9 of 23 Calcium Ca^2+ aq Ammonia: no ppt, or very slight white ppt. 10 of 23 Copper Cu2^+ aq Sodium Hydroxide: light blue ppt, insoluble 11 of 23 Copper Cu2^+ aq Ammonia: light blue ppt, soluble - dark blue 12 of 23 Iron (II) Fe2^+ Aq Sodium Hydroxide: green ppt, insoluble 13 of 23 Iron (II) Fe2^+ aq Ammonia: green ppt, insoluble 14 of 23 Iron (III) Fe3^+ aq Sodium Hydroxide: red brown ppt, insoluble 15 of 23 Iron (III) Fe3^+ aq Ammonia: Red brown ppt, insoluble 16 of 23 Zinc Zn2^+ aq Sodium Hydroxide: white ppt, soluble - olourless 17 of 23 Zinc Zn2^+ aq Ammonia: white ppt, soluble - colourless 18 of 23 Ammonia NH3 turns damp red litmus paper blue 19 of 23 Carbon Dioxide CO2 Turns Limewater milky 20 of 23 Chlorine Cl2 Bleaches damp litmus paper 21 of 23 Hydrogen H2 'Pops' with a lighted splint 22 of 23 Oxygen O2 Relights glowing splint 23 of 23
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