Question

what is rust ?
how wull protect iron from rust .​

Answer 1

HERE'S YOUR ANSWER

Rust is an iron oxide, a usually red oxide formed by the redox reaction of iron and oxygen in the presence of water or air moisture

Whenever you get iron, water and oxygen together, you get rust. So the best way to prevent it is to keep them apart; that's what paint does, or the spray-on wax and oil coatings that the car protection companies sell. Keep your tools dry; wipe down your bike after a ride; keep the water away and it can't rust.

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Answer 2

Wearing away of the iron layer by layer as a formation of brown powder... due to environmental factors is called rusting and that brown powder is known as rust!

we can protect the iron from rust by simply applying some oil or grease to it!