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Agriculture · Q950

Soil Science

Graduate and Post Graduate · Agriculture · question 950

Q950

Chemical formula of siderite is

A.
CaCO3
B.
Fe2O3
C.
Ca3(PO4)3
D.
FeCO3
Answer

Answer: Option D

Solution

Answer: Option D
Solution:
Siderite is a mineral composed of Iron(II) carbonate, the chemical formula of siderite is FeCO3.
It is valuable iron material, as it contains 48% iron and contains no Sulphur or phosphorus.
It crystallizes in the trigonal crystal system and is rhombohedral in shape, typically with curved and striated faces.