One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 485
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Multiple-choice question: During the distillation of VCM monomer, the vinyl chloride present in the high-boiling substances at the distillation unit is recovered by ( ). A, High-boiling-point tower ； B. Low-boiling-point column ； C. Residue tower, D. Exhaust gas adsorber. Answer: C. Residue tower
I really don’t know; it must be a dream. C is definitely not D
During the distillation of VCM monomer, the vinyl chloride in the high-boiling substances at the distillation unit is recovered by (C). A, High-boiling-point tower ； B. Low-boiling-point column ； C. Residue tower, D. Exhaust gas adsorber
During the distillation of VCM monomer, the vinyl chloride in the high-boiling substances at the distillation unit is recovered by (C). A, High-boiling-point tower ； B. Low-boiling-point column ； C. Residue tower, D. Exhaust gas adsorber