Key info

• Whatis the test for oxygen?

  Relight a glowing splint
• What is the test for hydrogen?

  Squeaky pop test - hold lit splint near mouth of test tube containing hydrogen
• What is the test for Carbon Dioxide?

  Bubbling the CO2 throught limewater - will turn cloudy
• What is the test for Carbon Dioxide?

  Bubbling the CO2 throught limewater - will turn cloudy
• What is the test for chlorine?

  Bleaches litmus paper
• What is the test for chlorine?

  Bleaches litmus paper
• What colour does Copper turn in a flame test?

  Green
• What colour does Calciu turn in a flame test?

  Orange - red
• What colour does potassium turn in a flame test?

  Lilac
• What colour does Sodium turn in a flame test?

  Yellow
• What colour does Lithium turn in a flame test?

  Crimson
• What colour precipitate will Al³+ produce when added to a sodium hydroxide solution?

  White
• What colour precipitate will Ca²+ produce when added to a sodium hydroxide solution?

  White
• What colour precipitate will Mg²+ produce when added to a sodium hydroxide solution?

  White
• What colour precipitate will Cu²+ produce when added to a sodium hydroxide solution?

  Blue
• What colour precipitate will Fe²+ produce when added to a sodium hydroxide solution?

  Green
• What colour precipitate will Fe³+ produce when added to a sodium hydroxide solution?

  Brown
• What colour precipitate will Fe³+ produce when added to a sodium hydroxide solution?

  Brown
• Which ion hydroxide precipitate dissolves?

  Aluminium
• Which ion hydroxide precipitate dissolves?

  Aluminium
• What reactant is used to test for carbonates ions and what is the positive result

  Dilute acid, cloudy limewater when the CO2 is bubbled through
• What reactants are used to test for sulfate ions and what is the positive result

  Dilute hydrochloric acid and Dilute barium chloride solution, white precipitate forms
• What reactants are used to test for halide ions

  Dilute nitric acid, Dilute silver nitrate solution
• What colour precipitate does a chloride ion form in the hallide test

  white
• What colour precipitate does a bromide ion form in the hallide test

  cream
• What colour precipitate does an iodide ion form in the hallide test

  yellow