题目内容
下列选项中物质的名称、俗名、化学式一致的是
2021-09-07
A.二氧化碳冰CO2
B.氢氧化钙熟石灰Ca(OH)2
C.碳酸钠烧碱Na2CO3
D.氧气臭氧O3
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku_ where sourceid='21700' and id < 1897459 and id<>'1897459' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='21700' and id > 1897459 and id<>'1897459' order by id asc limit 5