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Question

______ is known as Black Gold.
  1. Coal
  2. Mica
  3. Limestone
  4. Petroleum


Solution

The correct option is D Petroleum
Petroleum is a very important mineral resource. It is so useful and valuable that it is famously called ‘Black Gold’. Petroleum refineries are also known as a “nodal industry” or supporting industry for synthetic textiles, fertiliser and numerous chemical industries.

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