Question

What are preservatives?​

Answer 1

Explanation:

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:

A substance used to preserve foodstuffs,wood or other materials against decay.