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Sulfur (also spelled sulphur in British English...

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An alum (/ˈæləm/) is a type of chemical compoun...

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The western desert of Egypt was a major source ...

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In common usage, salt is a mineral composed pri...

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

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Silver nitrate is an inorganic compound with ch...

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Potassium chloride (KCl, or potassium salt) is ...

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Urea, also called carbamide (because it is a di...

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