用手指蘸NaCl溶液再进行测量是可增加导电性 。The conductivity can be increased by dipping the finger in NaCl solution.
举一反三
- 用手指蘸NaCl溶液再进行测量是可增加导电性 。The conductivity can be increased by dipping the finger in NaCl solution. A: 正确 B: 错误
- 【判断题】NaCl 溶液能导电,所以 NaCl 溶液是电解质;
- 生理盐水是指( ) A: 1%Nacl溶液 B: 0.5%Nacl溶液 C: 0.9%Nacl溶液 D: 10%Nacl溶液
- Compared with plasma, which solution belongs to isotonic solution? ( ) A: 9 g•L-1 NaCl solution B: 90 g•L-1 NaCl solution C: 10 g•L-1 glucose solution D: 6.25 g•L-1 NaHCO3 solution
- 下列各组物质只用一种试剂无法鉴别出的是（） A: NHNO、NaOH、NaCl B: NaCl溶液、HCl溶液、NaOH溶液 C: NaCO溶液、AgNO溶液、NaCl溶液 D: KCl溶液、KNO溶液、NaCl溶液