Answer is:
all of these
Explanation:
Wrought iron is an iron alloy with very low carbon content with respect to cast iron. It is soft, ductile, magnetic, and has high elasticity and tensile strength. It can be heated and reheated and worked into various shapes.
Answer is:
air is burning out silicon and manganese
Answer is:
red flame does not occur during the operation of bessemer converter
Answer is: