WBCS.LIVE practice question

Highly reactive metals are found in combined state in nature. The natural substances containing metal in combined form are known as minerals. A mineral is called ore if

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. the metal present in the mineral is costly
  2. a metal can be extracted from it
  3. a metal can be profitably extracted from it
  4. a metal can be profitably extracted from it

Correct answer and explanation

Correct answer: a metal can be profitably extracted from it