Solved UPSC CDS/OTA Question
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Q · IndustriesMedium · 45s
Which one of the following industries uses the ‘blast furnace’ extensively?
TopicIndustries
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Blast furnaces are used for smelting iron ore to produce pig iron.
Final Answer: Option D — Iron and Steel