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The hypothesis that all antacids will neutralize different amounts of acid but that Milk of Magnesia  is able to neutralize the most amount of acid is proven to be true. It is no wonder that Milk of Magnesia has remained a popular product for decades.

 Antacids are able to give immediate relief  from heartburn and gastritis by reducing acid levels in the stomach. However excessive use of antacids has been known to produce side effects such as diarrhea. Patients with kidney problems are advised not to use antacids.

Also consider

What would happen if the experiment were tobe continued until the pH level reached 3, the level in our stomach?

The experiment can be repeated using other brands of antacids.


Antacid -

Antacid -

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Complexity level:
Project cost ($):
Time required:
1 hour to prepare, 1 hour for the science project experiment
Material availability:
Access to a school's science laboratory is required
Safety concerns:

Safety gear/gloves need to be worn at all times when handling acids and other chemical substances