Class 8 Science Unit 7: Acids Bases and Salts For the preparation of Centralized Annual Board Examination. 0:00 Which acid and base would you use to make potassium chloride? 0:34 Toothpastes are made slightly alkaline. Justify. 1:12 Which of the following solutions will have pH more than 7 Milk of magnesia Drain cleaner Vinegar