Consider the following statements : Coke is one of the materials of the charge added to blast furnace for the production of steel/iron. Its function is to I. > act as a reducing agent. II. > remove silica associated with the iron ore. III. > function as f

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Q: 106 (IAS/1998)
Consider the following statements : Coke is one of the materials of the charge added to blast furnace for the production of steel/iron. Its function is to
I. act as a reducing agent.
II. remove silica associated with the iron ore.
III. function as fuel, to supply heat.
IV. act as an oxidizing agent.
Of these statements:
AnyChart Trial Version

question_subject: 

Science

question_exam: 

IAS

stats: 

0,12,39,16,8,12,15

keywords: 

{'furnace': [0, 1, 0, 0], 'coke': [0, 1, 0, 3], 'iron ore': [4, 0, 2, 5], 'iron': [0, 0, 1, 1], 'production': [16, 4, 20, 51], 'steel': [0, 1, 1, 0], 'materials': [0, 1, 1, 0], 'function': [11, 2, 3, 13]}