Question

4. What happens when a piece of iron metal is.
5. Explain why, food products containing fats and oils are packaged in nitrogen​

Answer 1

Answer:

Question no 4 is incomplete

Question no5: Nitrogen is used to pack food products containing fats and protein as it is an inert element.

It does not react with the food as opposed to when the food is packed in air the oxgen or Co2 reacts with the food

Answer 2

Answer:

4 question is incomplete

Explanation:

5 ans is nitrogen work as an oxidizing agent which help to protect products of fats and oil to does not getting dioxisised