请帮忙翻译下问题及每个选项的意思,谢谢
来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/08/24 12:13:50
请帮忙翻译下问题及每个选项的意思,谢谢
In order to separate the salt and water,we use the kerosence lamp to heat evaporating dish,the following statement( )is false.
A,Note that the safety of using of alcohol lamp
B.Put out the alcohol lamp before the salt brine are not completely evaporated
C,The salt particles are very small in Evaporating dish.
D,After heating the evaporating dish put it on the desktop by hand immediately
In order to separate the salt and water,we use the kerosence lamp to heat evaporating dish,the following statement( )is false.
A,Note that the safety of using of alcohol lamp
B.Put out the alcohol lamp before the salt brine are not completely evaporated
C,The salt particles are very small in Evaporating dish.
D,After heating the evaporating dish put it on the desktop by hand immediately
为把盐和水分离,我们用石蜡灯加热盘子使之蒸发,下列陈述不对的是
A标明酒精灯使用的注意事项
B在盐水没有完全蒸发的时候熄灭酒精灯
C盐颗粒在蒸发盘中很小
D加热完蒸发盘后,马上用手把它放在桌上
肯定选D,没有什么加热试验可以一做完就用手收拾的,会烫伤.
A标明酒精灯使用的注意事项
B在盐水没有完全蒸发的时候熄灭酒精灯
C盐颗粒在蒸发盘中很小
D加热完蒸发盘后,马上用手把它放在桌上
肯定选D,没有什么加热试验可以一做完就用手收拾的,会烫伤.