Iron is a strong metal, yet never used in pure state. Give reasons

Pure iron is soft and very malleable (elastic) and is able to stretch a lot and it is also ductile. It can rust (oxidize) readily in moist air. It is also fairly reactive. Pure iron has little use - some for analytical chemistry and some in medicine. It is made much more useful by alloying it with other materials. Due to these drawbacks iron is not used in pure state.

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iron is a more reactive metal when exposed to air and moisture it gets rust and hence corroded so we generall use gallvanised iron to prevent rusing

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Iron in its purest state is very reactive metal. When exposed to air and moisture it gets a layer of iron oxide on it. This is a brownish color substance known as rust. Thus we usually use galvanised iron. Since it wont reacrt.

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