22. ASSERTION (A): Nitrogen is 2 points
flushed in potato chip packets
to preserve acidity of potato
chips. REASON (R): Nitrogen
prevents contact of chips to
air and thus prevents
oxidation.
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Potato chips bags are not full of air but of nitrogen gas. This is done to prevent the chips from oxidizing, which is part that makes them go stale.
Oxygen is very reactive and likes to combine with other molecules whenever it can, causing chemical changes to take place.Another reason is to prevent rancidity. Nitrogen prevents the oxidation of the fats and oils.
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