3. what is the effect of nitrogen gas present in atmosphere on oxygen
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Liquid nitrogen also presents hazards due to its extremely low temperature and large expansion ratio. Nitrogen can displace oxygen in the air, reducing the percentage of oxygen to below safe levels.
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Nitrogen gases are affected for generating an altered or man-made atmosphere condition where it is applied with carbon dioxide to help aid in the preservation of packaged or bulk foods. It helps with food preservation by safeguarding against oxidative damage which causes the decay and breakdown that causes food to spoil.
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