第34页

信息发布者:
​$\mathrm {Zn}+2\mathrm {HCl}\xlongequal[ ]{ }\mathrm {ZnCl}_2+\mathrm {H}_2↑$​
​$\mathrm {Fe}+\mathrm {CuCl}_2\xlongequal[ ]{ }\mathrm {FeCl}_2+\mathrm {Cu}$​
​$\mathrm {CuO}+\mathrm {H}_2\mathrm {SO}_4\xlongequal[ ]{ }\mathrm {CuSO}_4+\mathrm {H}_2\mathrm {O}$​
​$\mathrm {Ca}(\mathrm {OH)}_2+\mathrm {CO}_2\xlongequal[ ]{ }\mathrm {CaCO}_3↓+\mathrm {H}_2\mathrm {O}$​
​$\mathrm {NaOH}+\mathrm {HCl}\xlongequal[ ]{ }\mathrm {NaCl}+\mathrm {H}_2\mathrm {O}$​
​$\mathrm {BaCl}_2+\mathrm {H}_2\mathrm {SO}_4\xlongequal[ ]{ }\mathrm {BaSO}_4↓+2\mathrm {HCl}$​
​$\mathrm {CuSO}_4+2 \mathrm {NaOH}\xlongequal[ ]{ }\mathrm {Na}_2\mathrm {SO}_4+\mathrm {Cu}(\mathrm {OH)}_2↓$​
​$\mathrm {NaCl}+\mathrm {AgNO}_3\xlongequal[ ]{ }\mathrm {AgCl}↓+\mathrm {NaNO}_3$​
(1)(2)
(3)(5)(6)(7)(8)
B
D
B
金属氧化物
​$\mathrm {NaOH}+\mathrm {HCl}\xlongequal[ ]{ }\mathrm {NaCl}+\mathrm {H}_2\mathrm {O}$​