Engineering Materials
Pick up wrong statement about wrought iron

It is very soft and ductile
It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling
It contains carbon of the order of 0 to 0.25%
It melts at 1535°C

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Engineering Materials
Smelting is the process of

Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns
Removing the impurities like clay, sand etc. from the iron ore by washing with water
All of these
Reducing the ore with carbon in the presence of a flux

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