Question

(a) Why do we paint objects made up of iron? (b) Why is Nitrogen gas filled in food packets containing oil and fats? (C) Which processes are responsible for (a) and (b)?​

Answer 1

Answer:

we prevent them corrosion and only and only iron is hard and solid substance and nitrogen gas filled in food package because it can touch with moisture and wet it so nitrogen prevent them

Answer 2

Answer:

ye upar vala Shi h ............