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)?
Answers
Answered by
6
Explanation:
1.we paint objects made up of iron because iron get rusted when it expose to air so this process called galvanization
Answered by
3
Explanation:
a)Protective coatings can be good options for iron and steel objects. They help retain original appearance and protect against foreign bodies such as moisture and debris that can cause rust or corrosion.
b)Most commonly it is combined with nitrogen at 30% to 40% to inhibit anaerobic spoilage mechanisms. Due to its relatively high solubility, it easily dissolves into the moisture and fat of food products.
c)Processes in (a) are Rusting/Corrosion and in (b) are Oxidation
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