What is meant by vinegar and gashol? What are their uses?

Explanation

(i) Vinegar: Ethanoic acid is most commonly known as acetic acid. Its dilute solution in water (5-8%) is known as vinegar.
(ii) Uses: Vinegar is used as a cooking ingredient, as a preservative in pickles, food storage, vinegar is also used for fermentation and also in medicinal field.
(iii) Gashol: Ethanol is a clean fuel. Therefore, it is used as an additive to increase the efficiency of petrol. Such a fuel is called gashol.
(iv) Uses: It is used as a fuel.