A solution is suspected to contain iodide ions. It is tested using a dilute acid and another solution to confirm this suspicion. Name the second solution.

Name the solution that can be used to test for halide ions.

Give a test to show that a solution contains iodide ions. (3) test ......................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... result .................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... .................................................................................................................................................................................................................................................................................... ....................................................................................................................................................................................................................................................................................

Which one of the following is used to test for the presence of lipid?Iodine solutionBiuret reagentEthanol and waterBenedict’s reagentI DON'T KNOWSUBMIT ANSWER

When dilute acid is added to an unknown solution, bubbles of gas are made, which turn limewater cloudy white. Which ion is present?HalideCarbonateHydroxideSulfate2When silver nitrate solution is added to a solution, a cream precipitate is formed. Which halide ion is present?BromideChlorideIodideFluoride3What must be added to a solution, in the presence of dilute hydrochloric acid, to test for sulfate ions?Sodium hydroxide solutionBarium chloride solutionSilver nitrate solutionCopper sulfate solution4An unknown solution gave a green colour with a flame test, and then a white precipitate when barium chloride was added. What is the unknown solution?Sodium chlorideCopper carbonateCopper sulfateMagnesium sulfate5An unknown solution gave a lilac colour with a flame test, and then a yellow precipitate when silver nitrate was added. What is the unknown solution?Sodium chloridePotassium carbonatePotassium iodideLithium iodide6What tests will show that an unknown solution is sodium chloride?Yellow flame colour, cream precipitate with silver nitrateBrick red flame colour, yellow precipitate with silver nitrateCrimson red flame colour, white precipitate with silver nitrateYellow flame colour, white precipitate with silver nitrate

Describe a chemical test to show that the sodium chloride solution containschloride ions.