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"Ante" (Latin for "before"). Hence, a quotation...

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

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Calcium hydroxide (traditionally called slaked ...

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

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

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

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Methyl orange is a pH indicator frequently used...

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Urea

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