Solved UPSC CDS/OTA Question
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Q · MineralsMedium · 45s
Which of the following is NOT an ore?
TopicMinerals
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Calcite is a mineral, not an ore. Bauxite (aluminium), galena (lead), haematite (iron) are ores.
Final Answer: Option D - Calcite