(a) why do we paint objects made up of irons (b) why is nitrogen gas filled in food packets containing oil and fats (c) which processes are responsible for (a) and (b)
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Hey mate, here is your answer;
Explanation:
(a) We paint iron objects inorder to prevent them from rusting as paints blocks the iron surface to react with atmosphere
(b) Nitrogen gas is filled in food packets so that the food does not degrade it's flavour and corrode.
(c) Process responsible for (a):- Rusting
Process responsible for (b):- Corrosion
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