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प्रश्न
Which of the following is an iron ore?
(a) cinnabar
(b) calamine
(c) haematite
(d) rock salt
उत्तर
(c) Haematite.
Haematite is an iron ore and the compound is iron (III) oxide (Fe2O3).
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संबंधित प्रश्न
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Complete flow chart given below.
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\[\ce{MnO2(s) + Al(s) -> Mn(l) + Al2O3(s) + Heat}\]
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