Tuesday, September 21, 2010

antacid lab

How do antacids work?

Antacids work by neutralizing acid and coating the stomach. The opposite of an acid is a base, and that's what antacid is. Antacids make you feel better by increasing the pH balance in your stomach. The ph is a scale for measuring the acidity or the base of a given environment. The scale goes from 0 to 14. A pH of 7 s neutral. Anything below 7 is an acid and anything above 7 is a base. For the antacid to work all it has to do is get you to a 3 or 4, it does this by neutralizing some of the extra acid.

Acids= taste sour, are corrosive to metals, change litmas red, and become less acidic when mixed with bases.

Bases= feel slippery, change litmus blue, and become less basic when mixed with acids.

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