JEE Main Chemistry question

Chemistry General Principles and Processes of Isolation of Elements (Metallurgy)JEE Main

Not in JEE Main or NEET syllabus

An important ore of iron is

(A)Pyrites
(B)Malachite
(C)haematiteCorrect
(D)Siderite

Answer: (C)

Solution

Haematite, FeO, is the principal commercially important ore of iron. Pyrites (FeS) is not favoured for iron extraction owing to sulfur pollution problems,

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Question ID VK-145193