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One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points; Question 495

2016-04-18View Original

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Multiple-choice question: In the VCM synthesis process using the calcium carbide method, the conversion system allows an excess of hydrogen chloride; but why is too much of it not acceptable? A. Wasting hydrogen chloride, resulting in excessive formation of salt acids. B. Environmental pollution. C. Increased production costs. D. Numerous side reactions, leading to the formation of chlorides such as dichloroethane. Answer: ABCD

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