State PCS PYQPrelims 2024

BPSC – Combined Competitive Examination · प्रश्न 24

Which of the following is an iron ore?

  1. Cinnabar
  2. Bauxite
  3. Limonite
  4. Pyrite
उत्तर दाखवा आणि स्पष्टीकरण

उत्तर: (C) Limonite

स्पष्टीकरण

Iron ores: haematite, magnetite, limonite, siderite.

  • (A) चूक

    Wrong: ore of mercury (HgS).

  • (B) चूक

    Wrong: ore of aluminium.

  • (C) बरोबर

    Correct: limonite is a hydrated iron oxide ore.

  • (D) चूक

    Wrong: iron sulphide, mainly used for sulphur, not iron extraction.