| N.
|
Question
|
Answers
|
Timestamped validation
|
| 1
|
What is high-density polyethylene?
|
High-density polyethylene is a thermoplastic polymer produced by the monomers of ethylene. [[1]]
|
|
| 2
|
What is the definition of "thermoplastics"?
|
Thermoplastics are the class of plastics that can be melted and molded by heating and hardened by cooling. [[2]]
|
|
| 3
|
What is polyethylene used for?
|
Production of plastic materials [[3]]
|
|
| 4
|
What kind of thermoplastic is HDPE?
|
HDPE is a low-cost thermoplastic with a linear structure compared to others, with a low branching degree. [[4]]
|
|
| 5
|
What is polypropylene?
|
Polypropylene is the thermoplastic polymer used in different applications. [[5]]
|
|
| 6
|
What is used in containers, drinking cartons?
|
LDPE.[[6]]
|
|
| 7
|
What is a translucent polyethylene defined as?
|
HDPE [[7]]
|
|
| 8
|
What is a plastic processing method used in temperature?
|
Compression molding. [[8]]
|
|
| 9
|
With reference to plastic, what are synthetic chemicals used for?
|
Improve durability, applicability, and modifications of plastics. [[9]]
|
|
| 10
|
What are the additives able to increase moldability and flexibility of PVC?
|
Polymers.[[10]]
|
|
| 11
|
What is the type of thermoplastics produced from fossils?
|
Polyethylene terephthalate. [[11]]
|
|
| 12
|
How many carbon atoms are produced by the LDPE?
|
4000 to 40,000.[[12]]
|
|
| 13
|
What are the main components of plastics?
|
Binders, fillers, pigments, plasticizers, and other additives. [[13]]
|
|
| 14
|
What does vinyl production cause?
|
The formation of toxic chemicals.[[14]]
|
|
| 15
|
What is the Ideonella sakaiensis bacterium?
|
The enzyme responsible for the breakdown and biodegradation of PET into its subunits or precursors.v
|
|
| 16
|
What happens to polyurethanes after heating?
|
Cannot be reformed or re molten.[[15]]
|
|
| 17
|
How many dimensional linkage can polyurethanes have?
|
Three .[[16]]
|
|
| 18
|
What are some examples of blow molding?
|
Air ducts, arms rest, gas tanks, panels, tanks, portable toilets, and some drinking bottles .[[17]]
|
|
| 19
|
Does incineration have drawbacks?
|
Incineration as a chemical process has benefits and drawbacks like all other biochemical processes or scientific processes. Some examples of drawbacks are environment pollution and the subsequent threat to public health.[[18]]
|
|
| 20
|
How long does it take to plastic bags to degrade in landfills processing?
|
Plastic bags and other long polymer wastes can take around ten to a hundred years to degrade in landfills .processing. [[19]]
|
|
| 21
|
What are the consequences of activities associated to plastic waste?
|
Pollutants released by such activities highly influence water quality, kill aquatic animals, pollute the quality of air, and land affects problems that affect agribusiness. [[20]]
|
|
| 22
|
What are plastic residues?
|
Plastic residues are considered as the strong complex of different contaminants, including small molecules, such as residual monomers, and ambient chemicals that adsorb to plastics and large molecules like polymeric materials. [[21]]
|
|
| 23
|
What wastes toxify land?
|
Plastic wastes are the ones to toxify land due to the chemical degradation of its organic decomposition. [[22]]
|
|
| 24
|
What's one of the industries that typically uses plastic materials?
|
People in modern packaging industries frequently use plastic materials. [[23]]
|
|
| 25
|
What is meant by "landfills"?
|
Landfills refer to all places and areas where we reject all disposable plastic waste after utilization.[[24]]
|
|
| 26
|
Which process produces fuel?
|
The combustion of organic molecules can also produce energy which is known as fuel. [[25]]
|
|
| 27
|
Which are the scientifically based waste management strategies
|
Recycling, incineration, bioremediation, and landfills. [[26]]
|
|
| 28
|
Why plastic waste is not a good candidate for combustion?
|
Some plastic wastes are resistant to oxygen heating and explosives. [[27]]
|
|
| 29
|
What is a positive effect of recycling plastic waste?
|
The recycling of plastic waste will help to improve the economy by decreasing the production cost. [[28]]
|
|
| 30
|
which are the main categories of most used plastics?
|
Thermosets and thermoplastics are the main categories of the most used plastics in humans' daily necessities, where about 80% of used plastics are all thermoplastics. [[29]]
|
|
| 31
|
Which are the corresponding temperatures defining the pyrolysis states?
|
The corresponding temperatures defining the pyrolysis states are in the following ranges ≤600 °C, 600–800 °C, and higher than 800 °C.[[30]]
|
|
| 32
|
Why electronic waste plastics have become a global environmental and public health challenge?
|
Due to their large production volume and inappropriate management policies in different regions. [[31]]
|
|
| 33
|
What process related to waste played a role in renewable energy production?
|
Waste incineration has played a critical part in producing renewable energy from biomass resources. [[32]]
|
|
| 34
|
What process is used in the additive process?
|
Bioremediation. [[33]]
|
|
| 35
|
What is the impact of land pollution on the environment?
|
Destruction and degradation of soil and earth's surface.[[34]]
|
|
| 36
|
What are some of the toxicants that can be found in the environment?
|
Brominated flame retardants, phthalates, and bisphenol A .[[35]]
|
|
| 37
|
What is the main cause of water pollution?
|
Chemicals and microorganisms .[[36]]
|
|
| 38
|
How to calculate large plastic water and plastic air partition coefficients?
|
Large plastic water and plastic air partition coefficients can be stoichiometrically calculated based on the abundance of the atmosphere .[[37]]
|
|
| 39
|
What are some of the toxic components of plastic?
|
Phthalates, polyfluorinated chemicals, bisphenol A, brominated flame retardants, and antimony trioxide.[[38]]
|
|
| 40
|
What are vinyl monomers, dioxins, and CFCs?
|
The monomers of polyvinyl chloride.[[39]]
|
|
|
|
|
|
|
|
|
|
|
|