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Natural Resources — Science STD 7 — Question

Maharashtra BoardEnglish MediumSTD 7ScienceNatural Resources2 Marks
Question
Why are all minerals not ores?
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Answer

  1. Minerals that contain a high proportion of metal are called ores.
  2. Majority of the metals occur in the form of compounds called ores.
  3. But all minerals are not ores.
  4. Few metals like gold, silver, copper, platinum and bismuth occur in free state in nature. So all minerals are not ores.

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