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 process of treating contaminated soil in place without removing it?
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In-situ treatment
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Ex-situ treatment
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Phytoremediation
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Bioremediation
A
Correct answer
Explanation
In-situ treatment is the process of treating contaminated soil in place without removing it.
What is the term used to describe the process by which air pollutants are removed from the atmosphere?
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Deposition
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Precipitation
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Advection
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All of the above
D
Correct answer
Explanation
Deposition, precipitation, and advection are all processes by which air pollutants are removed from the atmosphere.
What is the term used to describe the process by which air pollutants are transformed into different chemical species?
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Chemical transformation
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Deposition
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Advection
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All of the above
A
Correct answer
Explanation
Chemical transformation is the term used to describe the process by which air pollutants are transformed into different chemical species.
What is the term used to describe the process by which carbon dioxide is removed from the atmosphere and stored underground?
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Carbon Capture and Storage
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Carbon Sequestration
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Carbon Neutralization
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Carbon Offsetting
A
Correct answer
Explanation
Carbon capture and storage involves capturing carbon dioxide from industrial sources and storing it underground.
What is the term used to describe the process by which nutrients are recycled within an ecosystem?
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Nutrient cycling
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Decomposition
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Trophic cascades
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Ecological pyramids
A
Correct answer
Explanation
Nutrient cycling is the process by which nutrients are transferred from one organism to another and back to the environment.
What is the term used to describe the process by which air pollution can accelerate the natural aging process of the skin?
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Photoaging
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Chronoaging
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Pollution-induced aging
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Environmental aging
C
Correct answer
Explanation
Pollution-induced aging refers to the premature aging of the skin caused by exposure to air pollution, characterized by wrinkles, fine lines, and loss of elasticity.
What is the term used to describe the process of reusing discarded materials in new products?
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Recycling
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Upcycling
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Downcycling
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Composting
B
Correct answer
Explanation
Upcycling involves transforming discarded materials into new products of higher quality or value.
What is the term used to describe the process of breaking down organic materials into a nutrient-rich soil amendment?
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Recycling
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Composting
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Upcycling
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Downcycling
B
Correct answer
Explanation
Composting involves breaking down organic materials, such as food scraps and yard waste, into a nutrient-rich soil amendment.
What is the term used to describe the process of converting waste materials into usable materials and objects?
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Recycling
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Upcycling
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Downcycling
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Composting
B
Correct answer
Explanation
Upcycling involves transforming waste materials into usable materials and objects of higher quality or value.
What is the term used to describe the process of reducing the amount of hazardous waste generated?
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Waste minimization
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Waste treatment
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Waste disposal
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Waste recycling
A
Correct answer
Explanation
Waste minimization refers to the process of reducing the amount of hazardous waste generated at the source. This can be achieved through various methods, such as process modifications, material substitution, and improved housekeeping practices.
What is the term used to describe the process of converting hazardous waste into less harmful substances?
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Waste treatment
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Waste disposal
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Waste recycling
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Waste minimization
A
Correct answer
Explanation
Waste treatment refers to the process of converting hazardous waste into less harmful substances. This can be achieved through various technologies, such as incineration, biological treatment, and chemical treatment.
What is the term used to describe the process of reusing or recycling hazardous waste?
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Waste minimization
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Waste treatment
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Waste recycling
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Waste disposal
C
Correct answer
Explanation
Waste recycling refers to the process of reusing or recycling hazardous waste. This can involve reusing the waste in its original form or recycling it into new products.
What is the term used to describe the process of disposing of hazardous waste in a way that does not pose a threat to human health or the environment?
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Waste minimization
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Waste treatment
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Waste disposal
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Waste recycling
C
Correct answer
Explanation
Waste disposal refers to the process of disposing of hazardous waste in a way that does not pose a threat to human health or the environment. This can involve landfilling, incineration, or other approved methods.
What is the term used to describe the process of moving hazardous waste from one location to another?
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Waste disposal
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Waste treatment
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Waste transportation
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Waste storage
C
Correct answer
Explanation
Waste transportation refers to the movement of hazardous waste from one location to another, typically for the purpose of treatment, disposal, or recycling.
What is the term used to describe the process of converting hazardous waste into a less hazardous or non-hazardous form?
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Waste disposal
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Waste treatment
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Waste transportation
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Waste storage
B
Correct answer
Explanation
Waste treatment refers to the process of converting hazardous waste into a less hazardous or non-hazardous form, typically through chemical, biological, or physical means.