Q-9
(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
2
Answer:
(a) iron gets corroded very soon. that is why, we paint it with..
Answered by
4
Answer:
A ) Outdoor iron objects are nearly always coated because of the harsh environmental conditions to which they are exposed. They may be painted, galvanised (coated with zinc), or have had heavy duty oils or waxes applied.
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.
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