Which one of the following is a wrong stateme | vedclass

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Question

(C) Cast iron is made from pig iron by melting it with scrap iron and coke using a hot air blast. It contains about $3\%$ carbon. It is extremely hard

Vedclass · Accepted Answer

It is corrosion resistant

Vedclass · Answer

(C) Cast iron is made from pig iron by melting it with scrap iron and coke using a hot air blast. It contains about $3\%$ carbon. It is extremely hard and brittle. Unlike most metals,cast iron expands on solidification (cooling) due to the presence of graphite. It is not corrosion resistant. Therefore,the statement that it is corrosion resistant is incorrect.

Which one of the following is a wrong statement about cast iron?

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