BPSC – Combined Competitive Examination · પ્રશ્ન 24
Which of the following is an iron ore?
જવાબ બતાવો અને સમજૂતી
જવાબ: (C) Limonite
સમજૂતી
Iron ores: haematite, magnetite, limonite, siderite.
- (A) ખોટો
Wrong: ore of mercury (HgS).
- (B) ખોટો
Wrong: ore of aluminium.
- (C) સાચો
Correct: limonite is a hydrated iron oxide ore.
- (D) ખોટો
Wrong: iron sulphide, mainly used for sulphur, not iron extraction.