第五章单元测试
- Generally, the distribution coefficient of diluent B is . 一般情况下，稀释剂B组分的分配系数kB值 。（ ）
- The amount of added extractant should induce the position of sum point M of the solute and extractant being located at . 萃取剂加入量应使原料和萃取剂的和点M位于 。（ ）
- In a liquid-liquid extraction ternary systems, there are ______ situations that can be distinguished based on the mutual solubility of their components? 液液萃取三元物系中，按其组分之间互溶性可区分为_____种情况? （ ）
- In a B-S partially miscible system, the greater the amount of solute component A, the greater the B-S mutual solubility. 在B-S部分互溶物系中，溶质A组分的量越大，B-S互溶度越大。 （ ）
- The selectivity of extractant is the first factor to be considered when selecting extractant. 萃取剂的选择性是选择萃取剂时首先要考虑的因素。（ ）
A:Equal to 1 等于1 B:More than 1 大于1 C:Less than 1 小于1
答案:Less than 1 小于1
A:Area above the solubility curve 溶解度曲线上方区域 B:Area below the solubility curve 溶解度曲线下方区域 C:On the coordinate line 坐标线上 D:On the solubility curve 溶解度曲线上
A:Four 四种 B:Two 两种 C:Five 五种 D:Three 三种
A:对 B:错
A:对 B:错
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