---I’m really tired. I have to stop working. ---____________, Colin. You can do it! A. Come on B. No problem C. No hurry D. That’s OK 答案:A下列关于各实验装置图的叙述中正确的是( )
A、装置①:除去Cl2中含有的少量HClB、装置②:构成锌-铜原电池C、装置③:根据实验现象推知酸性:CH3COOH>H2CO3>C6H5OHD、装置④:验证溴乙烷发生消去反应生成烯烃