Addition of high proprotions of manganese makes steel useful in making – InterviewSolution

1.	Addition of high proprotions of manganese makes steel useful in making rails of railrods , because manganse (i) Givens hartdness to steeel (II) Help the foramtiion of ocides of iron (iii) can remove oxy gen and sulpur (iv) Can show highest oxidation state of +7
Answer» I,II,iii I,iii ii,iv I,iii,iv Answer :b

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