![A selection of oranges and Toothpaste squeezed out of tube.](http://static.sciencelearn.org.nz/images/images/000/004/556/full/ART_Acids_and_bases_OrangeAcidVsToothpasteBase.png?1674174665)
Citrus fruits contain citric acid. Toothpaste is a weak base. Toothpaste neutralises the acids in foods and protects tooth enamel.
Citrus fruits contain citric acid. Toothpaste is a weak base. Toothpaste neutralises the acids in foods and protects tooth enamel.