General Knowledge - Basic General Knowledge - Discussion

Discussion Forum : Basic General Knowledge - Section 4 (Q.No. 49)
49.
Sulphur is not present in
iron pyrites
gypsum
coal
chlorapatite
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Arya veer said:   3 years ago
Thanks @Visal.

Bharti Choudhary said:   7 years ago
Apatite is a group of phosphate minerals, usually referring to hydroxylapatite, fluorapatite and chlorapatite, with high concentrations of OH, F, and Cl ions, respectively, in the crystal.

Vishal said:   1 decade ago
Iron Pyrites - Iron and sulfur.

Gypsum - Calcium and sulfur.

Coal - Contains sulfur in form of H2S.

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