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:Alcohols & Carboxylic Acids quizAcids & Salts (Triple) quizIons quiz1.01 use the following units: kilogram (kg), metre (m), metre/second (m/s),…1.03 plot and explain distance-time graphs1.04 know and use the relationship between average speed, distance moved and time taken stuart2023-01-10T11:39:28+00:00Categories: (f) Acids, alkalis and titrations, 2 Inorganic chemistry, Edexcel iGCSE Chemistry|Tags: 2:31, Chemistry, Double, GCSE, GCSE_Chemistry_Single, GCSE_Chemistry_SpecPoint, SpecPoint, Topic: Acids & Salts, Topic: Acids & Salts (D), Topic: Key Reactions| Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail