Extraction of Metals - Result Question 47
47. Addition of high proportions of manganese makes steel useful in making rails
(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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Answer:
Correct Answer: 47. (a, c)
Solution:
- Addition of manganese to iron improve hardness of steel as well as remove oxygen and sulphur.
BETA
