There are three forms of iron Arrange them in the descending order of carbon content and other ...........

General Science (Easy) Chemistry

There are three forms of iron. Arrange them in the descending order of carbon content and other impurities they possess:

1) Pig iron

2) Wrought iron

3) Cast iron

1, 2 and 3

1, 3 and 2

3, 2 and 1

3, 1, and 2

- Iron is commonly found in three forms: Pig iron, Cast iron, and Wrought iron.

- Pig iron has the highest carbon content (3-4.5%) and many impurities.

- Cast iron has less carbon than pig iron (2-4%) but more than wrought iron, and contains some impurities.

- Wrought iron has the lowest carbon content (less than 0.1%) and is the purest form among the three.

- So, the descending order of carbon and impurities is: Pig iron > Cast iron > Wrought iron.

Options:

- 1, 2, and 3 (Pig iron, Wrought iron, Cast iron)

- 1, 3, and 2 (Pig iron, Cast iron, Wrought iron)

- 3, 2, and 1 (Cast iron, Wrought iron, Pig iron)

- 3, 1, and 2 (Cast iron, Pig iron, Wrought iron)

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Explanation should have a bit more facts, like how much % of impurity or cast iron is in pig iron, wrought iron, cast iron.