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A hydrometer or lactometer is an instrument used f...

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

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

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

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Glucose is a sugar with the molecular formula C6H1...

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Cysteine (symbol Cys or C;[5] /ˈsɪstɪiːn/)[6] is a...

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Acetone (2-propanone or dimethyl ketone) is an org...

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

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