令人窒息的操作NHCI和COH‖2NH4Cl+Ca(OH)= e Caci2+2NH3↑+2H2O

令人制烯的操作C2H50H=H2S04

令人窒息的操作2NHA+Ca(OH Caci+,+,02N HI+3cno=3C1+3H

员令人233333的操作E Nano2+nh20h

员令人生不如死的操作Na2s+2c3h7cooh

令人Fa情的操作NINO H SO

令人恼火的操作Zn+H2SO4=ZnSO4+H2↑稀硫酸锌粒

〓浓盐酸令人神清气爽的操作NHCI和4HCI(浓)+Mn02Ca(OH)