Question

what are preservatives​

Answer 1

Answer:

A preservative is a substance or a chemical that is added to products such as food products, beverages, pharmaceutical drugs, paints, biological samples, cosmetics, wood, and many other products to prevent decomposition by microbial growth or by undesirable chemical changes.

Answer 2

Answer:

Preservatives are chemicals added to medicines to prevent decomposition.for ex:-salt,sodium benzoate etc