[tex]\bf\huge\pink Q\purple U\pink E\purple S\pink T\purple I\pink O\purple N[/tex] ‡WHAT DO YOU UNDERSTAND BY A POLYMER ?EXPLAIN WITH SUITABLE EXAMPLES?
A polymer is a large molecule made up of repeating subunits called monomers. These monomers are chemically bonded together to form a long chain or network structure. Polymers can be natural or synthetic and are found in various materials around us.
1. Polyethylene (PE): It is a common synthetic polymer used in plastic bags, milk jugs, and bottles. PE is made from the monomer ethylene, and its properties can vary based on the density and branching of the polymer chains.
2. Polyvinyl chloride (PVC): PVC is a versatile synthetic polymer used in construction materials, electrical cables, and pipes. It is made from the monomer vinyl chloride. PVC can be rigid or flexible, depending on the additives used during polymerization.
3. Polystyrene (PS):PS is a lightweight and rigid polymer used in packaging materials, disposable cutlery, and insulation. It is made from the monomer styrene. PS can be transparent or foam-like, known as expanded polystyrene (EPS).
4. Natural rubber: It is a polymer derived from the sap of rubber trees. Natural rubber is made up of repeating units of isoprene monomers. It is used in various applications such as tires, gloves, and elastic materials.
5. Polyethylene terephthalate (PET):PET is a synthetic polymer used in beverage bottles, food packaging, and polyester fibers. It is made from the monomers ethylene glycol and terephthalic acid. PET is lightweight, transparent, and has good barrier properties.
Answers & Comments
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A polymer is a class of natural and synthetic substances composed of very large molecules.
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There are several types of polymers. Among the main ones are: natural, synthetic, addition, condensation and rearrangement.
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Verified answer
Answer:
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Explanation:
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1. Polyethylene (PE): It is a common synthetic polymer used in plastic bags, milk jugs, and bottles. PE is made from the monomer ethylene, and its properties can vary based on the density and branching of the polymer chains.
2. Polyvinyl chloride (PVC): PVC is a versatile synthetic polymer used in construction materials, electrical cables, and pipes. It is made from the monomer vinyl chloride. PVC can be rigid or flexible, depending on the additives used during polymerization.
3. Polystyrene (PS): PS is a lightweight and rigid polymer used in packaging materials, disposable cutlery, and insulation. It is made from the monomer styrene. PS can be transparent or foam-like, known as expanded polystyrene (EPS).
4. Natural rubber: It is a polymer derived from the sap of rubber trees. Natural rubber is made up of repeating units of isoprene monomers. It is used in various applications such as tires, gloves, and elastic materials.
5. Polyethylene terephthalate (PET): PET is a synthetic polymer used in beverage bottles, food packaging, and polyester fibers. It is made from the monomers ethylene glycol and terephthalic acid. PET is lightweight, transparent, and has good barrier properties.