Biology

pH Levels of Common Items

Mihai Negrean

22 Nov 2022 — 1 min read

Today, I will elaborate on the pH levels of common items you might find in your house.

First is, of course, water. Pure water has a pH level of about 7. This liquid is neutral.

Next is vinegar. This salad-enhancer has a pH level of 3, which means that it is very acidic.

Lemon juice also comes in at a pH of 3 and is an acid.

Coke comes in at a pH of 2 1/2, its acidity makes it perfect for one job... Cleaning rust off metal! (not to be ingested)

Black Coffee has a pH of 5 and is an acid.

Milk's pH level is 6, just below pure water. It is an acid.

Tomato juice comes in at an acidic pH of 4, the same pH level as beer.

Liquid drain cleaner has a pH of 14, the highest on the list. This liquid is a base.

Bleach has a pH of 13. It is a base.

Eggs have a pH of 8, and so does baking soda and seawater. These are all bases.

Soapy water has a pH of 11 1/2. It is a base.

Hand soap has a pH of 9. It is a base.

Mild detergent has a pH of 10. It is a base.

Toothpaste comes in at a pH of 9. It is a base.

Battery Acid has a pH of 0. It is an acid.

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