Discussion Forum : Air Around Us
Question - Which of the following gas is used to fill the packets of potato chips?
Options:
A .  Oxygen
B .  Carbon dioxide
C .  Hydrogen
D .  Nitrogen
Answer: Option D
:
D
Nitrogen is used to fill the packets of potato chips because unlike many other gases, nitrogen doesn't react with the food present in the packet. Hence, the flavour of the food doesn't change and remains edible for longer time.

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