Tests for negative and positive ions 0.0 / 5 ? ChemistryTesting and analysing substancesGCSEAQA Created by: ToomanyexamsCreated on: 05-05-13 15:18 In a flame test, what colour is Lithium (Li+) Crimson 1 of 15 In a flame test, what colour is Sodium (Na+) Yellow 2 of 15 In a flame test, what colour is Potassium (K+) Lilac 3 of 15 In a flame test, what colour is Calcium (Ca2+) Red 4 of 15 In a flame test, what colour is Barium (Ba2+) Green 5 of 15 What happens when aluminium ions, magnesium ions and calcium ions react with sodium hydroxide solution A white precipitate 6 of 15 Which, aluminium, calcium or magnesium ions white precipitate dissolves if excess sodium hydroxide solution is used Aluminium ions 7 of 15 What colour precipitate is made if copper (II) ions react with sodium hydroxide solution Blue 8 of 15 What colour precipitate is made if iron (II) ions react with sodium hydroxide solution Green 9 of 15 What colour precipitate is made if iron (III) ions react with sodium hydroxide solution Brown 10 of 15 If we add a dilute acid to a solution and it fizzes and produces CO2, what is present? A carbonate 11 of 15 If we add dilute nitric acid, then silver nitrate solution and get a white precipitate what ions are present? Chloride ions 12 of 15 If we add dilute nitric acid, then silver nitrate solution and get a cream precipitate what ions are present? Bromide ions 13 of 15 If we add dilute nitric acid, then silver nitrate solution and get a pale yellow precipitate what ions are present? Iodide ions 14 of 15 If we add dilute hydrochloride acid and then barium chloride solution and we get a white precipitate, what ions are present? Sulfate ions 15 of 15
Comments
No comments have yet been made