What are anti-oxidants? Why are they added to fat and oil containing foods?

6 What is the general name of the chemicals which are added to fat and oil containing foods to prevent the development of rancidity? 7 State an important use of decomposition reactions. 9 Explain why, food products containing fats and oils (like potato chips) are packaged in nitrogen. 10 Give one example of a decomposition reaction which is carried out:

(a) with electricity

(b) by applying heat