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Zinc, sometimes called spelter, [4] is a chemical ...

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

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Calcium carbonate is a chemical compound with the ...

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Calcium carbonate is a chemical compound with the ...

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Calcium carbonate is a chemical compound with the ...

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

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

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Mercury(II) chloride (or mercury bichloride[citati...

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