Show the universal recycling codes to the learners. Or hang a poster of the codes in the classroom for the learners to examine. Ask the learners to bring a plastic product with any of the recycling code listed below. Ask them to describe the material: 1. What is the sample polymer material used for? 2. What recycling code is printed on the sample? 3. Describe the material in terms of hardness and/or flexibility. 4. Why are recycling codes used in the plastic materials?

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: what is safetyness of PTFE materials & other substitutes?

A: PTFE stands for Polytetrafluoroethylene. It is a thermoplastic polymer compound consisting of 'C'…

Q: 1. How would you explain to a young science student how to decide whether a given compound might be…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: List down the classification of Biodegradable polymers with it's importance and function.

A: Biodegradable polymers are classified as, Natural biodegradable polymers                 Obtained…

Q: Which materials are needed to make a plastic bottle.

A: Polymers are macromolecules with high molecular weight formed by the combination of several…

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

A:

Q: Name the polymer used for making radio television cabinets and feeding bottles of children.

A: Polymer is the substance which is made up of repeated units of monomers. The number of monomers…

Q: Teflon is the polymer used to create non-stick surfaces on cookware. The monomer for Teflon is…

A: Since you have posted a question with multiple sub-parts ,we will solve first three sub-parts for…

Q: Describe vacuum forming/thermoforming processes. What are typical thermoformed plastic products?

A: According to Q&A guidelines of Bartleby, we are supposed to answer only one question out of…

Q: rubber has lower crosslinking density than general thermoset such as epoxy materials True or False

A: True

Q: What chemical reaction takes place when the vinegar is added (i.e. how is the vinegar helping the…

A: Casein glue/adhesive is formed when milk, vinegar, water and baking soda react together.

Q: Plastic 1. What are the general properties of plastics? low cost, easy to manufacture, durable,…

A: The general properties of plastics are :-  i) Low cost. ii) Easy to manufacture. iii) Durable iv)…

Q: 12. Which is NOT TRUE about thermoplastic polymers? a. they maintain their shape and strength when…

A: Option (a) is correct choice... Thermoplastic polymers become soft on heating and reshaped...

Q: SOLUTIONS TO OVERCOME PLASTIC POLLUTION - Briefly explain how to reuse reduce and recycle plastic…

A: How to reuse ,reduce and recycle the plastic to prevent plastic pollution in the environment brief…

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

A:

Q: Which polymeric material is used for the making of bullet proof jacket?

A: Bullet proof jackets are material that blocks bullets from pistols and helps to escape from bullets.

Q: How is polymerization similar to the coming together of individuals to form a committee or…

A: The polymer can be defined as a chemical compound that is formed by the combination of one or more…

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: Most plastics are made using chemicals extracted from oil. Currently, only a small fraction of…

A: In the current scenario , we are not doing enough to recycle . This is true when it comes to…

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: 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: 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: Silk is an example of a natural polymer. Name three properties that make silk desirable. Which…

A:

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: The following applications are associated with a particular polymer or plastic. Name the polymer,…

A: As per rules only 3 subparts of a question can be answered.   Polymers are repeating units of…

Q: The process of heat softening, molding and cooling to rigidness can be repeated for which plastics?…

A: Thermoplastics are plastic polymers that soften when they are heated, allowing for molding, and…

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: Please give a brief and clear answer. What are the typical polymer used in making intraocular…

A: The combination of small molecular units in a different molar ration furnishes the…

Q: What type of wood would be ideal to make a canoe?

A: Hardwoods such as ash, walnut, cherry, maple provide stiffness and strength and durability, while…

Q: What plastic is present in acrylic paints? Show structure.

A: Acrylic pain is water-based paint that is composed of tiny particles of plastic acrylic resin in…

Q: List down one processing method for production of composite tubes made of fiber reinforced…

A: There are different method for production of composite  tube

Q: Explain the importance of polymerization reactions in your body and the world around you. Provide…

A: Answer - Polymerisation - It  is the process by which the simpler units known as monomers attach…

Q: What are some advantages of plastics in our modern society? Plastic is versatile and a huge number…

A: Plastic is bio-nondegradable material which is used in a large scale in modern life . Generally it…

Q: What is the difference between thermoplastics polymer and thermoset polymer? use the following table…

A: A polymer is large molecule that is formed by combination of many sub units.

Q: What is Vulcanized rubber ?

A: Vulcanization of rubber is a process of increasing the strength of the natural or raw rubber by the…

Q: The difference between rubber bands and car tyres is that: a.)Tyres are made through a process of…

A: Answer  The difference between rubber bands and car tyres

Q: This is not really a question but, I have a presentation to do on one of the following polymers. I…

A: Best way to choose is to choose the polymer which is used in large scale , they can fit into your…

Q: Glass transition temperature is important for fabrication of polymers. Justify this statement. Draw…

A: The temperature at which the glassy state of polymer changes to viscous or rubbery state called as…

Q: dentify each of the following a. Degree of plastic deformation sustained at failure b. Stress at…

A: There are different types of properties and the ability of every material. These properties depends…

Q: 10/ Which of the features of the polymeric composites are their main advantages compared to the…

A: Polymeric composites are materials that are synthesized artificially by the combination of two or…