MetallurgyHardBloom L1

Question

Select the correct statement:

Options

A.Magnetite is an ore of manganese
B.Pyrolusite is an ore of lead
C.Siderite is carbonate ore of iron
D.FeS2 is rolled gold

Solution

Sol. Siderite: FeCO3, Magnetite·Fe2O3

Pyrolusite: MnO2 , Fools gold: FeS2

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