State PCS PYQPrelims 2024

BPSC – Combined Competitive Examination · ಪ್ರಶ್ನೆ 24

Which of the following is an iron ore?

  1. Cinnabar
  2. Bauxite
  3. Limonite
  4. Pyrite
ಉತ್ತರ ತೋರಿಸು ಮತ್ತು ವಿವರಣೆ

ಉತ್ತರ: (C) Limonite

ವಿವರಣೆ

Iron ores: haematite, magnetite, limonite, siderite.

  • (A) ತಪ್ಪು

    Wrong: ore of mercury (HgS).

  • (B) ತಪ್ಪು

    Wrong: ore of aluminium.

  • (C) ಸರಿ

    Correct: limonite is a hydrated iron oxide ore.

  • (D) ತಪ್ಪು

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