Niki hydroxide yumuringa? Ni irihe tandukaniro riri hagati yi hydroxide yumuringa nukuri ka karubone? Verdigris ni iki? Umuringa (Ii) hydroxide ni hydroyide y'umuringa, chimique cu (yewe) 2. Umuringa hydroxide nicyatsi kibisi ubururu cyangwa ubururu - icyatsi gikomeye. S