【Daily Question】Production, Storage, and Transportation - 20190609
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This post was last edited by Yu Qin on 2019-6-9 at 16:18. To boost interaction in this forum and increase participation, those who are enthusiastic about the chemical industry are invited to engage in discussions related to production management and storage and transportation. There is a daily question in the Production and Storage & Transportation Discussion Forum; answering it correctly earns 5 wealth points； Effective participation grants 2 units of wealth ； Extra points will be given to those who provide a reasonable explanation first. Multiple-choice question: Which of the following statements is incorrect? (A) Systems with a selectivity coefficient β=1 cannot be separated by extraction. (B) When the extract phase and the raffinate phase leaving a certain stage reach equilibrium, that stage is referred to as a theoretical stage. (C) Temperature has no effect on extraction; there is no need to consider temperature levels during operation. (D) Extraction is a process used to separate liquid mixtures by taking advantage of the differences in solubility of various components in the selected solvent. Answer: C
C) Temperature has no effect on extraction; there is no need to consider temperature levels during operation
(C) Temperature has no effect on extraction; there is no need to consider temperature levels during operation
(C) Temperature has no effect on extraction; there is no need to consider temperature levels during operation