下列对化学实验现象的分析不正确的是( )
A：给试管内固体加热时，试管炸裂的原因可能是试管接触了酒精灯的灯芯
B：做铁丝在氧气中燃烧的实验，集气瓶炸裂可能的原因是没有在铁丝下系火柴
C：加热高锰酸钾并用排水法收集氧气时，水槽中出现红色原因可能是管口没放棉花团
D：过滤后，滤液仍然浑浊的原因可能是液面高过了滤纸边缘
以下有机物命名错误的是（ ）
阅读短文，在横线上写出孩子们毛衣的颜色。
Kate, Jim, Rose and Bill put their sweaters on the table. The sweaters are white，blue, red and black. We know the boys' sweaters aren't red and the girls' sweaters aren't black. What color is Kate's sweater? I don't know. But I know it is not blue. Bill says, “My sweater is white”. Do you know what colors their sweaters are?
