Which of the following metals have poor affinity for oxygen than iron, and cannot be removed through oxidation and hence they must be controlled by introducing pig iron?
A. Ni and Cu
B. Ca and Cr
C. Ni and Cr
D. Ca and Mg
Answer:D
Which of the following metals have poor affinity for oxygen than iron, and cannot be removed through oxidation and hence they must be controlled by introducing pig iron?
A. Ni and Cu B. Ca and Cr C. Ni and Cr D. Ca and Mg