One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 510
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Multiple-choice question: In a PVC suspension polymerization system, the reasons for severe sticking to the reactor walls include: A. Poor quality of the wall-coating agent; B. Low pH value of the system; C. High reaction temperature; D. High temperature of the cooling water. Answer: ABCD
ABCD~~~~~~~~~~~~~~
In PVC suspension polymerization systems, the reasons for severe sticking to the reactor wall include: B A, poor quality of the wall-coating agent; B, low pH value of the system; C, high reaction temperature; D, high temperature of the cooling water
A、Poor quality of the wall-coating agent B、Low pH value of the system C、High reaction temperature D、High temperature of the cooling water
In PVC suspension polymerization systems, the reasons for severe sticking to the reactor walls include: (A) poor quality of the wall-coating agent, (B) low pH value of the system, (C) high reaction temperature, and (D) high temperature of the cooling water