2:31 know that acids in aqueous solution are a source of hydrogen ions and alkalis in a aqueous solution are a source of hydroxide ions An acid is source of hydrogen ions (H+). An alkali is source of hydroxide ions (OH–). Related Posts:2:47 describe tests for these cations: NH₄⁺ using sodium hydroxide solution and identifying…4:37 (Triple only) know that vinegar is an aqueous solution containing ethanoic acid2:30 describe the use of Universal Indicator to measure the approximate pH value of an…1:56 (Triple only) understand why ionic compounds conduct electricity only when molten or in…1:38 know the charges of these ions: metals in Groups 1, 2 and 3, non-metals in Groups 5, 6…1:38a understand how to use the charges of these ions in ionic formulae: metals in Groups 1,… Hydr0Gen2018-04-25T21:45:04+00:00Categories: (f) Acids, alkalis and titrations, 2 Inorganic chemistry, Edexcel iGCSE Chemistry|Tags: 2:31, Chemistry, Double, GCSE, GCSE_Chemistry_SpecPoint, SpecPoint, Topic: Acids & Salts, Topic: Key Reactions| Share This Story, Choose Your Platform! FacebookTwitterLinkedInRedditTumblrPinterestVkEmail