What sort of acid is found in oranges and lemons?

all my life I've been taught citric acid comes from citrus fruit. ie oranges and lemons

I was falling asleep, hit wrong button

I like eating fruits!! but I love naval oranges!! they're the best!! I don't like lemons! or sour stuff! but I love lemon candy!! and just other than the real lemon fruit!!

That is vitamin C

di, hence the term citric fruit. On its own, ooh sour except for orange which can be sweet but not the ones sold in Singapore though