Question

why is nitrogen gas filled food packet which process it called​

Answer 1

Answer:

Nitrogen gas filled food packets because when foods such as crisps are packaged, the bag's empty space is filled with an inert gas such as nitrogen to prevent the food spoiling too quickly. Gas is used to replace oxygen which causes food to oxidise, the chemical reaction that turns crisps stale and apples brown.

This process is called food packaging process.

Explanation:

Answer 2

Answer:

nitrogen is filled to prevent rancidity in food although not an inert gas but it is highly unreactive gas and prevents food from rancidity(oxidisation of food)