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Explore Air
Acid Rain Lesson Plan
Table 1: Approximate pH of Some Common Substances
| Items |
pH |
Items II |
pH4 |
| Apples |
2.9 - 3.3 |
Limes |
1.3 - 2.0 |
| Asparagus |
5.4 - 5.7 |
Milk of Magnesia |
10.5 |
| Battery Acid |
1.0 |
Milk, Cow |
6.4 - 6.8 |
| Beans |
5.0 - 6.0 |
Olives |
3.6 - 3.8 |
| Beets |
4.9 - 5.6 |
Oranges |
3.0 - 4.0 |
| Bread, White |
5.0 - 6.0 |
Peas |
5.8 - 6.0 |
| Beers |
4.0 - 5.0 |
Peaches |
3.4 - 3.6 |
| Blackberries |
3.2 - 3.6 |
Pears |
3.6 - 4.0 |
| Cider |
2.9 - 3.3 |
Pickles, Dill |
3.2 - 3.5 |
| Crackers |
7.0 - 8.5 |
Pickles, Sour |
3.0 - 3.5 |
| Cabbage |
5.2 - 5.4 |
Pimento |
4.7 - 5.2 |
| Carrots |
4.9 - 5.2 |
Plums |
2.8 - 3.0 |
| Corn |
6.0 - 6.5 |
Pumpkin |
4.8 - 5.2 |
| Cherries |
3.2 - 4.1 |
Raspberries |
3.2 - 3.7 |
| Dates |
6.2 - 6.4 |
Rhubarb |
3.1 - 3.2 |
| Flour, Wheat |
6.0 - 6.5 |
Sauerkraut |
3.4 - 3.6 |
| Grapes |
3.5 - 4.5 |
Salmon |
6.1 - 6.3 |
| Gooseberries |
2.8 - 3.1 |
Shrimp |
6.8 - 7.0 |
| Ginger Ale |
2.0 - 4.0 |
Spinach |
5.1 - 5.7 |
| Hominy (Lye) |
6.9 - 7.9 |
Squash |
5.0 - 5.3 |
| Human Blood Plasma |
7.3 - 7.5 |
Strawberries |
3.1 - 3.5 |
| Human Duadenal Contents |
4.8 - 8.2 |
Sweet Potatoes |
5.3 - 5.6 |
| Human Feces |
4.6 - 8.4 |
Tomatoes |
4.1 - 4.4 |
| Human Gastric Contents |
1.0 - 3.0 |
Tuna |
5.9 - 6.1 |
| Human Milk |
6.6 - 7.6 |
Turnips |
5.2 - 5.5 |
| Human Saliva |
6.0 - 7.6 |
Vinegar |
2.4 - 3.4 |
| Human Spinal Fluid |
7.3 - 7.5 |
Water, Mineral |
6.2 - 9.4 |
| Human Urine |
4.8 - 8.4 |
Water, Sea |
8.0 - 8.4 |
| Jams, Fruit |
3.5 - 4.0 |
Water, Distilled (=air) |
5.8 |
| Jellies, Fruit |
3.0 - 3.5 |
Water, Distilled (No CO2) |
6.8 - 7.0 |
| Lemons |
2.2 - 2.4 |
Wines |
2.8 - 3.8 |
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