- acetic acid (HC2H3O2)
Acetic acid is found in vinegar as well as products that contain vinegar, such as ketchup.
- citric acid (H3C6H5O7)
Citric acid is found in citrus fruits. It is also used in jams and jellies and to add a tangy flavor to other foods.
- lactic acid (C3H6O3)
Lactic acid is found in milk and other dairy products.
- ascorbic acid (C6H8O6)
Ascorbic acid is Vitamin C. It is found in citrus fruits as well as some other fruits and juices.
- sulfuric acid (H2SO4)
Sulfuric acid is found in car batteries and some drain cleaners.
Learn MoreNames of 10 Acids
What Is the Strongest Acid?
Common Acid and Base Terms