What makes pyrex glass heat resistant?

Q: what is safetyness of PTFE materials & other substitutes?

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

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: The process by which new fibers for filaments are produced from textile waste is called ? A. fiber…

A: Answer  Textile waste products are collected from different…

Q: Name the polymer used for making insulation material for coating copper wire.

A: Copper is the conductor which transfers electricity and heat.

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

A: True

Q: What are the alternatives to single-use plastics? Consider their viability from both an economic and…

A: Plastic are involved in our daily life. From use and throw to heavier uses.

Q: procedure on how the materials should be mixed to produce a lipstick

A: First we have to prepare pigmented mass for lipstick.

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: Which of the method is relavent for both thermosetting and thermoplastic materials?

A: Thermosetting plastic is the one with a long molecule chain cross-linked together and having high…

Q: How does bleach works in cleaning stains in floor?

A: Bleach is a chemical which is used to remove stain or colour from the surface of…

Q: List the defects that make glassware unusable

A:

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: 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: Fiber are characterized using a broad range of properties related to their serviceability. Select…

A: Polymers are the big molecules formed by the combination of one or more repeating unit called…

Q: Is poly(vinyl acetate) a polyester?

A: Polyesters are in which the monomer units are joined together by ester groups. Hence to consider a…

Q: Surfactants and Wettability of Leaves How does the removal of the wax affect the contact angle…

A: The surfactant additives reduce the surface tension to improves wetting and produce a stable, finely…

Q: Real life examples of polycarbonate plastics and epoxy resins?

A: There are much uses of Polycarbonate Plastics in real life.  Polycarbonate plastics are used to make…

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: Give some uses of petroleum in making cloth.

A: Petroleum is a naturally occuring complex mixture of hydrocarbons. Petrolium products are widely…

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: which of the following is strong adhesive: a  epoxy resin b  melamine-formaldehyde resin c  alkyde…

A: Adhesive:Any substance which is capable of holding materials together in a functional manner by…

Q: What additive may lower the electrical resistance in a plastics?

A: Additives are the chemicals which are added to the polymers to modify its various properties. There…

Q: 17. melted. O A. Thermoplastics O B. Thermosetting Plastics are cured into permanent shape is Cannot…

A: Form permanent shape that can't be remelted.

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: Why doesn't the powder glass doesn't stick to the mould when making beads

A: Interpretation -  To explain why powder glass doesn't stick to the mould when making beads.…

Q: What is known as plasticizer ?

A: Plasticizers are low-molecular-weight polymers that helps to increase the spacing between chains of…

Q: What is the functional ingredients of whitening deodorant

A: The functional ingredients found in whitening deodorant has to be given.

Q: lubricants.

A: In this question we have to explain the advantages of both oils and greases as lubricants along with…

Q: 3. Why is casein plastic no longer used in large-scale manufacturing?

A: Following is the reason for not using casein plastic for large scale manufacturing.

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: Introduction about Bunsen burner

A: The Bunsen burner is named after Robert Bunsen who co-designed this instrument.

Q: What is the typical molecular structures of an epoxy resin and curing agent?

A: In the given problem we have discuss about the typical structure of Epoxy resins and also its curing…

Q: It is identical repeat units along the chain. a. Random b. Alternating c. Block d. Graft

A: Block is identical repeat units along the chain. Hence option c is to be correct.

Q: What are Epoxy Resins?

A: Epoxy Resins explanation is given below.

Q: Name  four  methods  for  pretreating  polyethylene  to  receive paint or ink.

A: Painting polyethene is a difficult process to execute due to its chemical resistance owing to weak…

Q: difference

A: This question is related to proteins.

Q: bleaching agent

A: