Environmental Studies ยท Chemistry
Environmental and Chemical Processes
2,324 Questions
Environmental and chemical processes encompass waste management, pollution remediation, and biogas conversion. These questions evaluate your grasp of how organic and synthetic materials interact with ecosystems. Such topics regularly appear in general science and environmental studies papers.
Waste managementBiogas conversionPhytoremediationSoil washingPollution control
Environmental and Chemical Processes Questions
What is the term used for the process of cleaning an aircraft's interior and exterior?
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Deicing
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Cleaning
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Disinfection
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Sanitization
B
Correct answer
Explanation
Cleaning is the process of removing dirt, debris, and stains from an aircraft's interior and exterior.
What is the term used for the process of refueling an aircraft?
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Fueling
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Deicing
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Cleaning
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Catering
A
Correct answer
Explanation
Fueling is the process of refueling an aircraft with aviation fuel.
What is the term used to describe the process of reusing or repurposing discarded materials or products?
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Upcycling
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Downcycling
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Recycling
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Composting
A
Correct answer
Explanation
Upcycling involves transforming waste materials into new products of higher quality or value.
What is the term used to describe the process of converting organic waste into a valuable resource, such as compost or biogas?
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Recycling
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Composting
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Anaerobic digestion
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Incineration
B
Correct answer
Explanation
Composting is the process of breaking down organic waste into a nutrient-rich soil amendment.
What is the term used to describe the practice of using technology to reduce food waste?
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Food waste reduction
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Food recovery
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Food redistribution
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Food composting
A
Correct answer
Explanation
Food waste reduction is the practice of using technology to reduce the amount of food that is wasted, such as by using sensors to monitor food spoilage or by developing new packaging technologies.
What is the term used to describe the process of removing gluten from grains?
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Deglutenization
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Glutenization
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Glutenation
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Glutenolysis
A
Correct answer
Explanation
Deglutenization is the process of removing gluten from grains, typically through a combination of mechanical and chemical processes.
What is the term for the process of removing acids from paper?
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Deacidification
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Neutralization
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Alkalization
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Buffering
A
Correct answer
Explanation
Deacidification is the process of removing acids from paper, which helps to prevent further deterioration.
What is the term used to describe the process by which wetlands remove pollutants from water?
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Bioremediation
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Phytoremediation
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Biofiltration
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All of the above
D
Correct answer
Explanation
Wetlands employ various processes to remove pollutants from water, including bioremediation (microbial degradation), phytoremediation (plant uptake), and biofiltration (filtration through wetland vegetation).
What is the term used to describe the process of returning treated wastewater back into the environment?
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Water reuse
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Water recycling
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Water reclamation
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All of the above
D
Correct answer
Explanation
Water reuse, water recycling, and water reclamation are all terms used to describe the process of treating wastewater and returning it to the environment for beneficial use, such as irrigation or industrial purposes.
What is the term used to describe the process of converting organic matter into simpler substances by microorganisms?
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Biodegradation
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Mineralization
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Decomposition
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All of the above
D
Correct answer
Explanation
Biodegradation, mineralization, and decomposition are all terms used to describe the process of converting organic matter into simpler substances by microorganisms.
What is the term for the process by which pollutants are removed from the environment?
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Bioremediation
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Phytoremediation
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Chemical remediation
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All of the above
D
Correct answer
Explanation
Bioremediation, phytoremediation, and chemical remediation are all processes by which pollutants are removed from the environment. Bioremediation involves the use of microorganisms to break down and remove pollutants. Phytoremediation involves the use of plants to absorb and remove pollutants from the soil or water. Chemical remediation involves the use of chemical reactions to break down and remove pollutants.
What is the term for the process by which soil becomes contaminated with pollutants?
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Soil contamination
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Soil pollution
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Soil degradation
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All of the above
D
Correct answer
Explanation
Soil contamination, soil pollution, and soil degradation all refer to the process by which soil becomes contaminated with pollutants. Soil contamination can occur through a variety of sources, including industrial activities, agricultural practices, and improper waste disposal.
What is the term for the process by which pollutants are transported through the environment?
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Environmental transport
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Environmental fate
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Environmental distribution
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All of the above
D
Correct answer
Explanation
Environmental transport, environmental fate, and environmental distribution all refer to the process by which pollutants are transported through the environment. Pollutants can be transported through the air, water, or soil. The fate of a pollutant depends on its chemical properties, the environmental conditions, and the presence of other pollutants.
What is the term for the process by which pollutants are transformed into less harmful or non-toxic substances?
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Degradation
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Mineralization
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Transformation
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All of the above
D
Correct answer
Explanation
Degradation, mineralization, and transformation all refer to the process by which pollutants are transformed into less harmful or non-toxic substances. Degradation involves the breakdown of pollutants into smaller molecules. Mineralization involves the conversion of organic pollutants into inorganic compounds. Transformation involves the conversion of pollutants into different chemical forms.
What is the term for the process by which pollutants are removed from the environment by natural processes?
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Natural attenuation
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Biodegradation
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Phytoremediation
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All of the above
D
Correct answer
Explanation
Natural attenuation, biodegradation, and phytoremediation all refer to the process by which pollutants are removed from the environment by natural processes. Natural attenuation involves the breakdown of pollutants by natural chemical and biological processes. Biodegradation involves the breakdown of pollutants by microorganisms. Phytoremediation involves the removal of pollutants from the environment by plants.