Addition of high proportions of manganese makes steel useful in making rails

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Q 2617534489.     Addition of high proportions of manganese makes steel useful in making rails
JEE 1998
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`

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Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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