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← ScienceWhich consequence results when concentrated hydrofluoric acid exceeds polypropylene container limits?
A)Polymer chain scission accelerates✓
B)Acid diffusion rate decreases
C)Crystallinity percentage increases
D)Hydrophobic interactions intensify
💡 Explanation
Polypropylene degrades because hydrofluoric acid induces polymer chain scission via acid hydrolysis, destroying its structural integrity. Therefore, chain scission occurs, rather than crystallization, because acid attacks the polymer at weak points; crystallinity won't change at this concentration.
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