1.1. A group of Grade 11 Agricultural science learners conducted an experiment using the following substances to test on Acids and Bases. 1. Baking powder 2. Orange juice 3. Milk 4. Battery acid 5. Vinegar 6. Apple juice 1.1.1. Using a table, classify the provided substances into substance into acids and bases (7) 1.1.2. Indicate the substance in scenario above that has a high concentration of the following: (a) Hydroxide ion (2) (b) Hydrogen ion (2) 1.2. In other scenario the learners mixed equal proportion of HCL and NaOH and the solution was allowed to react for 10 minutes. Answer the following question based on this scenario. 4.2.1. Identify the substance that represent: a) Acid (1) b) Base (1) 1.2.2. Predict the pH of mixture (1) 1.2.3. Write down the chemical reaction including the end product of the chemical reaction (5) 1.2.4. Give the name of the chemical reaction in above scenario (1) ​