Question

Give an example of food preservative. ​

Answer 1

Examples of chemical food preservatives are:

•Benzoates (such as sodium benzoate, benzoic acid).

•Nitrites (such as sodium nitrite).

•Sulphites (such as sulphur dioxide).

•Sorbates (such as sodium sorbate, potassium sorbate)

Freezing, boiling, smoking, salting are considered to be the natural ways of preserving food.

hope it help u   :)

Answer 2

salt and sugar are the earliest food preservatives also vinegar

Chemical food preservatives are nitrites, sulphites, and sorbats