Question

To preserve cooked food items,we flush with nitrogen or keep them in refrigerator. why ? answer fast and accurate if you want to branliest answer​

Answer 1

Answer:

Rancidity

Explanation:

Chip's and all the other items which have fats inside them or have glycerol constituent, they are being flushed with nitrogen gas to preserve them from Rancidity .

Reason - when such oil containing item is being kept in atmosphere, they are being in direct contact with Oxygen and thus oxidised them ( evident change- taste changes )

• here O2 is an oxidising agent

Also food are being kept in refrigerator for same reasons

( to preserve them from atmosphere ) .

It's a normal help even if you don't mark me branliest , it will be fine for me .

ya but I recommend you to read NCERT twice

because this answer is in last page of NCERT under subtopic of corrosion ..