爱迪生解密结果分析:___________________________________________________爱迪生推理(1)__________________________________________________________①_________________________________________________________②______________________________

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 20:22:30
爱迪生解密结果分析:___________________________________________________爱迪生推理(1)__________________________________________________________①_________________________________________________________②______________________________
x]N@ǯGMp0D/PԢ-REkw1;'ഠh0o~ax2 iEUc7~o@5!/gLx>G3] nl~?A p1; ͈o,<Ө@moA=M`(j=0@ oB$}r;I(eipE;'xَZ 3KU,G)TE|-.8pcD&!V{5+KMB2%H XU7wԯkoSω]/:HG>E.wLXVx^GM_\/

爱迪生解密结果分析:___________________________________________________爱迪生推理(1)__________________________________________________________①_________________________________________________________②______________________________
爱迪生解密结果分析:___________________________________________________
爱迪生推理(1)__________________________________________________________
①_________________________________________________________
②_________________________________________________________
③_________________________________________________________

爱迪生解密结果分析:___________________________________________________爱迪生推理(1)__________________________________________________________①_________________________________________________________②______________________________
分析:盐溶于水是物理变化,盐仍是盐,盐的气化需要很高温度.
1.淡水
2.半透膜过滤法(1)制作盐水(放在脸盆里)
(2)在脸盆里放进一个比脸盆小的盘子
(3)将脸盆封上保鲜膜
3.需要0元,只需去大海边装水,之后带回家进行半透膜过滤法
4.半透膜过滤法

盐不会随着水的蒸发而蒸发
1.淡水
2.蒸馏 条件不足 半透膜过滤法