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What is the main purpose of filling chips packets with nitrogen gas?

Answer and explanation

Correct answer: To prevent oxidation of oils and rancidity

Chips contain fats and oils that can oxidise on contact with oxygen in air. This causes rancidity and gives the chips an unpleasant taste and smell. Nitrogen is relatively unreactive; it reduces the amount of oxygen in the packet and therefore helps prevent oxidation. It is not filled to increase moisture.

Related tags

ScienceClass 10Chemical ReactionsOxidationRancidityNitrogen Packaging

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