Question

define rancidity which branch chemistry or physics or biology ​

Answer 1

Answer:

==> the process of complete or incomplete oxidation or hydrolysis of fats and oils when exposed to air, light, or moisture or by bacterial action, resulting in unpleasant taste and odor. 

==> it's the term of Chemistry.

Answer 2

Rancidity is a condition in which the substance with oil and fats get oxidized when they are exposed to air. A substance is said to be rancid when there is a change in smell, taste, and colour. An example of rancidity is when a chips pack is exposed to atmospheric air which results in a change in taste and odor.

RANCIDITY IS THE TERM USED IN CHEMISTRY

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