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Distillation and Liquation

Cast iron is ...

Question

Cast iron is hard and brittle because it contains:

A

5% lead

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B

more than 1% carbon

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C

more than 2% carbon

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D

2 calories of heat

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Solution

The correct option is C more than 2% carbon
Cast Iron is more harder than wrought Iron and steel because of the percentage of carbon is greater than $2$ %.

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