Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Passage: Phosphorus pentoxide bụ ihe mejupụtara kemịkalụ nwere usoro molekụla P4O10 (nke aha ya na-esite na usoro ya, P2O5). Ihe a na-acha ọcha nke na-egbuke egbuke bụ anhydride nke phosphoric acid. Ọ bụ ihe na-eme ka mmiri ghara ịdị n'ahụ́ mmadụ, na-emekwa ka mmiri ghara ịdị n'ahụ́ mmadụ.  Ajụjụ: Gịnị bụ otu n'ime ihe e ji mara phosphorus pentoxide?
desiccant na dehydrating ihe