Answer:
Formic acid, citric acid, Oxalic acid, washing soda, baking soda, etc. can be some examples of natural acids and natural bases. They both have domestic, industrial, and various other purposes.
Step-by-step explanation:
NATURAL ACIDS:
There are lots of natural acids present in our nature. Some of them are the following:
> Formic acid
USE: It is used in the stimulation of oil and gas wells as it is less reactive towards the metal.
> Citric acid
USE: It is considered as the best rust remover as it doesn't harm the metal just remove the rust.
> Oxalic acid
USE: It easily remove iron and ink stains and that's why it is used as an acid rinsing material in Laundries.
NATURAL BASES:
There is a variety of natural base found in our nature which founds a lot of uses in day to day life. some of them are the following:
> Washing soda
USE: It is used in commercial detergent mixture to treat hard water.
> Baking soda
USE: It is the best rising agent used mostly in cooking and for domestic purposes like removing stains, etc..