Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: Phosphorus pentoxide chinhu chemakemikari chine mamorekuru fomura P4O10 (ine zita rayo rakajairika rakatorwa kubva kune yayo empirical fomura, P2O5). Ichi chakaoma chena chekristaro ndiyo anhydride yephosphoric acid. Ichinhu chine simba chinoomesa mvura.  Mubvunzo: Ndechipi chimwe chinhu chinoratidza phosphorus pentoxide?
desiccant uye dehydrating mumiririri