Question

why are salts and vegetable oils called preservatives

Answer 1

Answer:

Salt has been used as a preservative for ages, and works to preserve food in two ways: Salt dries food. ... All living things require water and cannot grow in the absence of water, including the bacteria which can cause food poisoning.

Answer 2

salts nd vgetable oils are common chemical generally used to check the growth of microorganisms , therefore are called preservative ..likewise one xmple ...we add salt to pickles to prevent attack of microbes