Question

chips packets are generally filled with nitrogen gas how do u think that help

Answer 1

It's almost like a little balloon. Potatochip bags are not full of air, but ofnitrogen gas. This is done to prevent the chips from oxidizing, which is part of what makes them go stale. Oxygen is very reactive, and likes to combine with other molecules whenever it can, causing chemical changes to take place.

Answer 2

oil and fat containing substances usually oxidise faster.oxidation process is nothing but when food substances containing oils are kept open to air,their taste, smell and colour changes to abnormal.this should not happen to keep foods stay good for a long time.thus nitrogen which is an anti oxidant (does not let oxidation happen so faster but prevents )is added to make food stay good for a long time.

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