MetallurgyHard
Question
Addition of high proportion of manganese makes steel useful in making rails of rail roads, because manganese :
Options
A.gives hardness to steel
B.helps the formation of oxides of iron
C.can remove oxygen and sulphur
D.can show highest oxidation state of +7
Solution
(A) true(C) small amount of Mn is added to molten steel to remove sulphur and oxygen.
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