(2010?苏州)为防止实验室意外事故的发生,下列预处理方法中错误的是( )
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| 选项 | 须预防的意外事故 | 预处理方法 |
| A | 少量浓硫酸溅到皮肤上 | 备氢氧化钠浓溶液直接清洗 |
| B | 打翻燃着酒精灯 | 备湿抹布用来扑灭火 |
| C | 使用玻璃管时划伤手指 | 将玻璃管口熔圆并备好创口贴 |
| D | 铁丝在氧气中燃烧时炸裂瓶底 | 预先在集气瓶里放少量水或细沙 |