(a) Why do we paint objects made up of iron? (b) Why is Nitrogen gas filled in food packets containing of fats? (c) Which processes are responsible for (a) and (b) ?
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a> We do paint objects made up of iron because of iron coming in contact with oxygen or acid or water get oxidized and forms rust and thus get corroded. So in order to prevent corrosion we need to paint it.
b}Nitrogen gas is filled in food packets containing fats because it acts as an anti - oxidant and prevent food from becoming Rancid.
c>Oxidation is the process which means addition of oxygen or reduction of hydrogen or addition of electron is responsible for (a) and (b)
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This question answer are according to class 10 text
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