Title : IDENTIFYING SUBSTANCES Aim : To identify unknowns based on their reactions . Apparatus : Directions : You are given three solutions ; A , B , C , D which are an acid , alkali , carbonate and water though not necessarily in that order . Devise a simple procedure which can conclusively identify each . You will be required to test your method in the lab . IDENTIFYING SUBSTANCES Criteria : PLANNING & DESIGNING ; ANALYSIS AND INTERPRETATION Planning and Designing 20 mks Statement of Hypothesis 2 mks Aim 1 mk Apparatus & Material 3 mks Method 4 mks Logical sequence / Language / Steps / Tense Variables 2 mks Data 3 mks Predicted Results 2mks Limitations / Assumptions / Sources of Errors 3 mks Analysis and Interpretation Explanation of Results 5 mks Identification of Substances 3 mks