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Why is rancidity slower in nitrogen-filled food packets?

Answer and explanation

Correct answer: Contact with oxygen decreases

Rancidity is the unpleasant smell and taste produced when fats and oils undergo oxidation. Filling a packet with nitrogen removes or greatly reduces the oxygen available around the food, so oxidation occurs more slowly and the food remains acceptable for longer. Nitrogen is not increasing oxygen, forming water, or producing a precipitate. Therefore, option A correctly explains the preservation method.

Related tags

RancidityOxidationFood PreservationChemical ReactionsChemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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