Question

Write the four factor which are responsible for the corrosion of iron

Answer 1

presence of impurities on metal surface.
variation in temperature around metal.
much xpose of metal in atmosphere.
air.



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Answer 2

1). when iron comes in contact with moist air.

2). presence of water.

3). when no paint or warnish applied to the iron.

4). if it is not cleaned regularly then it corrides.

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