化学实验过程中要规范操作，注意实验安全，如果发生意外也要冷静处理．下列意外事故的处理方法中，错误的是（ ）
| 选项 | 意外事故 | 处理方法 |
| A | 洒在桌面上的酒精燃烧起来 | 立即用湿抹布或沙子扑灭 |
| B | 水银不小心洒在地上 | 可先用硫粉盖住过会再清理 |
| C | 浓硫酸溅到皮肤上 | 立即用大量水冲洗 |
| D | 碱液泼在皮肤上 | 用水冲洗后，再涂上硼酸溶液 |
A．A
B．B
C．C
D．D
A、洒在桌面上的酒精燃烧起来，立即用湿抹布或沙子扑灭，做法正确，因为降温和隔绝空气可灭火，及时有效，故A正确；
B、水银洒漏最好的处理方法是用硫粉撒在水银上，水银就会变成黑色结块状的硫化汞，这样对人体危害不大；故正确；
C、浓硫酸具有较强较强的腐蚀性，不慎沾到皮肤上，立即用大量水冲洗会灼伤皮肤，应立即用布拭去，再用大量清水冲洗，故C错误；
D、氢氧化钠溶液是强碱，具有腐蚀性，不慎洒在衣服上，用较多的水冲洗，再涂上硼酸溶液，故D正确．
故选C
| 完形填空。 | |||
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