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Zinc is a chemical element with the symbol Zn and ...

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The chlorites are the group of phyllosilicate mine...

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ferrous sulphide Ferrous Sulphide Formula : FeS Mo...

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Sulfur (also spelled sulphur in British English) i...

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Sodium sulfate (also known as sodium sulphate or s...

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Sodium sulfate (also known as sodium sulphate or s...

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ferrous sulphide Ferrous Sulphide Formula : FeS Mo...

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Iron(II) sulfate (British English: iron(II) sulpha...

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