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Which of the following is an ore of iron?

A. Galena

B. Chalcopyrite

C. Hematite

D. Bauxite

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  3. Litharge is
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  14. Consider the production of ammonia from methene and air as raw materials. The catalysts used are:(i)…
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  17. Carbon tetrachloride (CCl4) is the starting raw material for the manufacture of
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  27. The terminology 'BTX' used in coal tar distillation industry refers to
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