Subject - Chemistry:

Basics

MCQ - 289-2475

Question:

Composition of natural chromites is

FeO. Cr₂O₃
K₂CrO₄
H₂CrO₄
K₂CrO₄

Correct Answer: A

Explanation:

Chromite is an iron chromium oxide: FeCr₂O₄. It is an oxide mineral belonging to the spinel group. It is an industrially important mineral for the production of metallic chromium, used as an alloying ingredient in stainless and tool steels.

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