B Adding vinegar onto baking powder 1. A teaspoonful of baking powder is placed in a beaker. 2. Vinegar is slowly poured onto the baking powder. 3. The changes of the baking powder are observed.
B Adding vinegar onto baking powder1. A teaspoonful of baking powder is placed in a beaker.2. Vinegar is slowly poured onto the baking powder.3. The changes of the baking powder are observed.