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Which consequence results when thermal stresses cause bond disruption?

A)Polymer chain scission occurs.
B)Increased dielectric breakdown strength.
C)Enhanced glass transition temperature.
D)Crystallinity increases sharply.

💡 Explanation

Polymer chain scission occurs due to **bond dissociation**, because high thermal stresses break covalent bonds within the polymer chains. Therefore, the polymer degrades, rather than improving its electrical (B), thermal stability (C), or its structural (D) properties.

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