Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for those who participate； Question 252
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Fill in the blank: Polyvinyl chloride (PVC) is a thermosensitive resin that easily loses ( ) under the action of heat and other factors, resulting in degradation. Hydrogen chloride
hydrogen chloride~~~~~~~~~~~~~~~~~~~~
Polyvinyl chloride (PVC) is a thermosensitive resin that readily releases hydrogen chloride under the action of heat and other factors
Polyvinyl chloride (PVC) is a thermosensitive resin that easily loses (hydrogen chloride) under the action of heat and other factors, resulting in degradation.
Polyvinyl chloride is a thermosensitive resin that easily releases hydrogen chloride under the action of heat and other factors