12. Which is NOT TRUE about thermoplastic polymers? a. they maintain their shape and strength when heated. b. they must be heated to "set" or "lock in" their structures. c. they offer increased strength but lose their shape upon further heating. d. chains are tied together by actual chemical bonds

Q: (b) Compare the thermoplastic and thermoset polymer on the basis of: i. Molecular structure (in the…

A: Polymers are formed from monomers. Monomers are the large number of molecules combined together…

Q: List different types of polymerization techniques. Discuss

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Q: Chemistry Name (a) a thermoplastic, (b) an elastomer, and (c) a fiber that is produced…

A: Answer -  ionic chain polymerization - Ionic chain polymerization is a chain-growth reaction where…

Q: If a polymer is said to be thermoplastic, this means that it     a. will not decompose at any…

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Q: 33......................can be heating and reshaped is. O A. Thermoset. O B. Thermoplastic.

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Q: If you increase the temperature during a tensile testing of a thermoplastic specimen, what will…

A: Interpretation -  If you increase the temperature during a tensile testing of a thermoplastic…

Q: 15. Nylon and cotton are a. addition polymers b. condensation polymers

A: Nylon and cotton both are classified as condensation polymer. Nylon is a polyamide as it form…

Q: (a) Describe the structure of each of the categories of polymers below. Thermoplastics: Thermosets:…

A: (a)  Thermoplastics: When we talk about thermoplastic structure the  flexible linear chain can be…

Q: 6. Polyethene, aka Polyethylene, is what type of polymer? a. Addition b. Condensation C. Polyamide…

A: Polymers are macromolecules composed of large molecules which can be broken into simpler chemical…

Q: In four or more sentences, explain the advantages of using biodegradable plastic

A: Answer - Biodegradable plastic - Biodegradable plastics are plastics that can be decomposed by the…

Q: Define the terms monomer, plastic, thermoplastic, thermosettingplastic, elastomer, copolymers, and…

A: Polymer chemistry is the branch of chemistry which involves the study of synthesis, bonding,…

Q: What is the primary structural feature necessary for a molecule to make it useful in a condensation…

A: Several monomers or oligomers (molecules with 3-10 repeating units), react with one another and…

Q: Which is NOT TRUE about thermoplastic polymers? a. they melt or deform on heating b. they cannot be…

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Q: Which of the following conditions is/are not true for thermoplastic polymers They can be reshaped…

A: The given question is about thermoplastic.  A thermoplastic is a plastic polymer material that…

Q: Compare thermoplastic and thermosetting polymers: (a) according of mechanical characteristics upon…

A: The difference between thermoplastic and thermosetting polymers is ___________ ?

Q: How are the physical properties of a polymer controlled in the vulcanization process?

A: Vulcanization or vulcanisation is a chemical process for converting natural rubber or related…

Q: 34................... Cannot be heating and reshaped is. O A. Thermoset. B. Thermoplastic.

A: Thermoset and thermoplastic both are polymer but they behave differently when exposed to heat.

Q: You have discovered a polymer. You need to determine if the polymer was made from an addition…

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Q: Directions: Write A if only the first statement is correct; B if only the second statement is…

A: Thermoplastic made up weak bonds that are breakable when heated. Thermoplastics are easily…

Q: One of the critical properties of polymers is elasticity. The ability of many polymeric materials to…

A: Crystallinity  means the degree of structural order in a solid. The atoms are arranged in a regular…

Q: What sets thermoplastics and thermosets apart from the other? * retaining of plastic properties…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 35. The polymer is if heated too much, they burn is. A. Thermoset. B. Thermoplastic.

A: Thermo plastics soften on heating whereas thermosetting plastics do not soften on heating.…

Q: If a polymer is said to be thermoplastic, this means that it O a. will not be brittle even at very…

A: Thermoplastic is a plastic which gets soft when it's heated and get brittle at low temperature. It…

Q: what would be a micro structure of a polypropylene? also please explain why this would be the case.

A: Polypropylene A type of polypropylene is polypropylene, also known as polypropene. A thermoplastic…

Q: Using your own words explain why ceramics are stronger and stiffer than polymers

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Q: Differentiate between molecular structures and behaviours of thermoplastic and thermosetting…

A: When small molecules or units are combined together in large numbers then the substance formed is…

Q: 5. Differentiate between a thermoset and a thermoplastic.

A: Given : Thermoset and thermoplastic. To find: Difference between Thermoset and thermoplastic.…

Q: Explain why an elastomer under tensile load contracts on heating. Compare this with the behaviour of…

A: Elastomers are unique polymers that have good elastic properties. In other words, an elastomer is…

Q: How do the properties of polymers compare with those of metals?

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Q: How does a polypropylene face mask become polymeric carbon dots?

A: Answer - polypropylene face mask  - These Disposable Face Masks are manufactured from polypropylene…

Q: What conditions would prohibit the use of thermoplastic polymer

A: The polymer which can be melted and recast indefinitely called thermoplastic polymer.

Q: What is a polymerization reaction?

A: The repeating units of a macromolecule are known as Monomers.  Monomers combines together to form a…

Q: Write about high density polyethylene and low density polyethylene and their advantage and…

A: The answer to the folowing question is-

Q: Q3:- What are the types of defects in crystalline structure? Explain with example and with any kind…

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Q: 4. Each unit that comes together to form a polymer is called a A. Copolymer B. Ethylene C. Monomer…

A: Polymer is the combination of the small units to form the large molecular materials. The small units…

Q: how does oxobiodegradanle bioplastics, hydrobipdegradble bioplastics and traditional petroleum based…

A: Green chemistry deals with the configuration of the chemical process that involves the use of…

Q: From your life, identify several object that made of polymer?

A: STEP 1: A polymer is a substance which is made up of repetitive units of macromolecules. Polymers…

Q: ng your own words explain why ceramics are stronger and stiffer than polymers

A: Polymers can be defined as a large macromolecule made up from large number of monomers

Q: Which other elements are also found in common household polymer?

A: The substance obtained by the linking of large monomeric units together using suitable reagent and…