In the electrophoresis experiment of Fe(OH)3 colloid, the temperature and conductivity of the auxiliary solution should be equal to that of the colloid.
对
举一反三
- Ferric hydroxide forms a positively charged colloid. Which of the following ionic substances should be most effective in coagulating the colloid? ( ) A: NaCl B: CaCl2 C: Fe2(SO4)3 D: K3PO4
- Which of the following liquids is Newtonian fluid A: Polymer solution B: Colloid solution C: Paclitaxel emulsion D: Bacterial oil
- Increased plasma colloid osmotic pressure will increaseproduction of tissue fluid.
- Fe(OH)3、 CoO(OH)、NiO(OH)氧化性的强弱_____。? NiO(OH);;;〉 CoO(OH) ;〉;Fe(OH)3;|CoO(OH) ;〉;Fe(OH)3 ;;;〉 NiO(OH)|Fe(OH)3;;〉 NiO(OH);;;〉 CoO(OH);;|;Fe(OH)3;;〉 CoO(OH);;;〉 NiO(OH);
- The electric double layer of soil colloid includes potential-determining ion layer and ______ .
内容
- 0
下列铁系氢氧化物的碱性强弱比较正确的是（ ）。 A: Fe(OH)3＞Co(OH)3＞Ni(OH)3 B: Ni(OH)3＞Co(OH)3＞Fe(OH)3 C: Co(OH)3＞Ni(OH)3＞Fe(OH)3 D: Fe(OH)3＞Ni(OH)3＞Co(OH)3
- 1
Increased plasma colloid osmotic pressure will increaseproduction of tissue fluid. A: 正确 B: 错误
- 2
Increasing ionic strength would compress the electric double layer and increase the stability of the colloid。 （ ）
- 3
In no way ______ the amount of heat. A: the temperature equals B: does the temperature equal C: the temperature equal D: does the temperature equals
- 4
The thermal conductivity of ice at 0°C is approximately ______ times the thermal conductivity of water at the same temperature, indicating that in the same environment, ice can change its temperature faster than water.