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hydrogen iodide
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a colorless gas that yields hydroiodic acid in aqueous solution
Ãâó: wordnet.princeton.edu/perl/webwn
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hydrogen ion
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a positively charged atom of hydrogen; that is to say, a normal hydrogen atomic nucleus
Ãâó: wordnet.princeton.edu/perl/webwn
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hydrogen ion concentration
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the number of moles of hydrogen ions per cubic decimeter
Ãâó: wordnet.princeton.edu/perl/webwn
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hydrogen peroxide
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a viscous liquid with strong oxidizing properties; a powerful bleaching agent; also used as a disinfectant and (in strong concentrations) as an oxidant in rocket fuels
Ãâó: wordnet.princeton.edu/perl/webwn
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hydralazine
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an antihypertensive drug (trade name Apresoline) that dilates blood vessels; used (often with a diuretic) to treat hypertension and congestive heart failure
Ãâó: wordnet.princeton.edu/perl/webwn
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