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Chemistry 12 Notes for Chemistry Notes

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Varieties Of Iron

Iron is used in three commercial varieties.

1. Cast iron or pig iron:
It is the most impure form of iron and contains two-five percent impurity mainly carbon. This from is hard and brittle. It is used in making gutter pipes, furniture gutter cover (manhole)

2. Wroght iron:
It is the purest form of iron and contains 0.12-0.25% impurity. It is soft and malleable. It is used in black smith. It is used in making agricultural tools, chains, anchor, etc.

3. Steel:
It is intermediate form of iron and contains 0.5-1.2% impurity mainly carbon. It is mostly used as construction materials, etc.

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