(4分)将20g Ba(OH)2•8H2O固体与10g NH4Cl晶体在烧杯中混 发布时间:2017-08-12 01:47 │ 来源:www.tikuol.com 题型:填空题 问题: (4分)将20g Ba(OH)2•8H2O固体与10g NH4Cl晶体在烧杯中混合,不断搅拌,实验现象为: ,该反应的化学方程式:
题型:填空题 Tom and I had each a bedroom, and a third room ____ as our study.A.in commonB.in common withC.out of the commonD.by common 查看答案