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Why are chips packets filled with nitrogen gas?

Answer and explanation

Correct answer: To prevent oxidation of the oils present in chips

Chips contain oils that can react with oxygen and undergo oxidation, causing rancidity and an unpleasant smell and taste. Nitrogen is relatively unreactive; it reduces the amount of oxygen in the packet and prevents oxidation. Option B is incorrect because added moisture makes chips lose their crispness.

Related tags

Class 10 ScienceChemical ReactionsOxidationRancidityNitrogen PackagingFood Preservation

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