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NEET levelSingle correct optionDifficulty 1 of 3mt002

The formula of siderite, an ore of iron, is

A $FeCO X_{3}$
B $FeS X_{2}$
C $Fe X_{2} O X_{3}$
D $Fe X_{3} O X_{4}$

Answer: A

Siderite is the carbonate ore of iron,

FeCO X_{3}

.

Fe X_{3} O X_{4}

is magnetite,

Fe X_{2} O X_{3}

is haematite and

FeS X_{2}

is iron pyrites.

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