Thermocole is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten

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Thermocole is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten Answer: Either (b) or (c)

Question context

This question is part of ⚗️ Chemical Engineering within the broader 🛠️ Engineering Essentials subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.