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Question & Answer
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Synthetic polymers like polyethylene are thermoplastics, while natural polymers such as cellulose are thermosets.
Natural polymers typically exhibit higher tensile strength than synthetic polymers, making them more suitable for heat-resistant applications.
Natural polymers often degrade under heat, whereas synthetic polymers maintain their structure and properties when heated.
Synthetic thermoplastics can be reshaped upon heating, unlike natural polymers that are generally rigid and do not soften.
Understanding the Answer
Let's break down why this is correct
Synthetic thermoplastics, such as polypropylene, soften when heated and then harden again when cooled. Other options are incorrect because The idea that natural polymers are always thermosets is a misconception; Assuming natural polymers are always stronger and heat‑resistant is incorrect.
Key Concepts
Introduction to Polymers
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Deep Dive: Introduction to Polymers
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Definition
Polymers are large molecules composed of many identical subunits called monomers. They play a crucial role in both natural biological systems, like DNA and proteins, and in human-made materials such as plastics. Understanding polymers is essential in Chemistry.
Topic Definition
Polymers are large molecules composed of many identical subunits called monomers. They play a crucial role in both natural biological systems, like DNA and proteins, and in human-made materials such as plastics. Understanding polymers is essential in Chemistry.
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