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单词 θ71261
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the world > matter > chemistry > chemical substances > acids > [noun] > acids-named > containing phosphorous (4)
phosphoric acid?1765

an oxyacid containing pentavalent phosphorus; spec. orthophosphoric acid, H3PO4; (also more generally) phosphorus pentoxide (cf. phosphoric anhydride

hypophosphorous acid1818

In hypophosphorous acid, an oxygen-acid of phosphorus, PH3O2.

phosphatic acid1818

(a) Chemistry (originally) a mixture of phosphoric and phosphorous acids, formerly supposed to be a distinct acid; (now) any acid which gives…

hypophosphoric acid1854

In hypophosphoric acid, P2O2(OH)4, a tetrabasic acid, obtained as an odourless liquid.

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