A pH or acid-base indicator is a compound that ... change can also be used as evidence that a chemical reaction has occurred. Students will explore what happens during neutralization by using a base ...

Label 3 small cups Citric Acid ... in which baking soda reacted with different acids to produce a gas. They have also seen reactions in which an acid or a base reacted to change the color of a pH ...

Neutralisation is the reaction of an acid with a base that results in the pH moving towards 7. It is a useful process that occurs in everyday life such as in the treatment of acid indigestion and ...