Chemistry - CHEMISTRY IN EVERYDAY LIFE Question with Solution | TestHub

Explain the question :

Identify the compound(s) used as a food preservative.

Concept:

This question is based on  classification of food additives (Preservatives).

Solution :

Food preservatives prevent food spoilage by inhibiting microbial growth. All listed substances are used for this purpose:

Sodium benzoate and Sorbic acid are common chemical preservatives (antimicrobials). Propanoic acid (and its salts) primarily prevents mold in baked goods.

Vegetable oil is a natural preservative, inhibiting aerobic microbes by excluding oxygen (e.g., in pickles)