Which of the following is a type of iron ore ?

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Q: 108 (MPPSC/2011)

Which of the following is a type of iron ore ?

question_subject: 

Geography

question_exam: 

MPPSC

stats: 

0,51,29,21,4,4,51

keywords: 

{'iron ore': [4, 0, 2, 5], 'lignite': [3, 0, 0, 0], 'peat': [2, 1, 2, 2], 'anthracite': [2, 1, 2, 1], 'limonite': [0, 0, 2, 1], 'type': [5, 0, 3, 14]}