Question

Wrought iron is an impure form of iron.
a) True
b) False
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Answer 1

Answer:

true

Explanation:

Wrought Iron is the purest form of iron. It contains 0.12 to 0.25% carbon and so it is the purest form of iron.

...

The purest form of iron is.

A) Manganese B) Air

C) Ozone D) Ammonia gas

Answer 2

Answer:

false

Explanation:

cast iron is very runny when molten and doesn't shrink much when it solidifies.it is therefore ideal for making castings hence its name. it is very impure , containingabout 4% of carbon.This carbon makes it very hard,but also very brittle.