Question

Where are acids and bases found in nature?

Answer 1

How about in the food that we eat?

Explanation:

Most of the things that we eat that taste good, are slightly acidic. For instance, wine, cheese, butter, lemon juice, vinegar, egg yolk, are all slightly acidic.....`pH=5-7`. The most basic thing that we eat is quite probably egg white, `pH~=8.9-9.1`. (Note that interestingly, when an hen's egg is freshly laid it has a `pH` of `7.8-8.0`; I am told that on storage it loses (the acidic oxide) `CO_2` and `pH` rises.....the shell must be permeable to `CO_2(g)`) The soapiness and bitterness of egg-white is quite characteristic of a base.