Why nitrogen gas is added to oil food packets?
the oil food is very rich in fat content and when this reacts with the oxygen (the fat ) it gets oxidised and its smell and taste channge the food stuff becomes rancid (which is equivalent to being spoilt) nitrogen is a very inert gas and thus in simple terms it prevents the oxidation of the fat stuff and prevents its spoilage so that you can enjoy your packet of chips …………………..