Perfect moulds can be made by using wrought iron but not by using molt – InterviewSolution

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1.	Perfect moulds can be made by using wrought iron but not by using molten copper. Give reasons.
Answer» Solution :(i) Generally DENSITY in a solid state is higher than that in a LIQUID state. (ii) Requisites for a good mould. (III) Comparison of the volumes on the SOLIDIFICATION of iron and copper.

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