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  9. Q7

TNPSC Group-I 2017 · Question 7 of 71

Which of the following is a wrong statement?

Chemistry - Minerals and Ores

  1. AAll the minerals are not ores
  2. BAll the ores are not mineralsCorrect
  3. CAll the ores are minerals
  4. DFrom ores, metals can be extracted economically

Answer: B. All the ores are not minerals

Explanation

The wrong statement is 'All the ores are not minerals' - in fact, all ores are minerals, but not all minerals are ores.

Source: TNPSC Group-I Prelims 2017 (GS1902) - Official Question Paper

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