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 to describe the process of using chemicals to oxidize and destroy contaminants in soil?
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Bioremediation
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Phytoremediation
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In situ chemical oxidation
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Soil washing
C
Correct answer
Explanation
In situ chemical oxidation is the process of using chemicals to oxidize and destroy contaminants in soil.
What is the term used to describe the process of removing contaminants from soil by washing it with water or a chemical solution?
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Bioremediation
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Phytoremediation
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In situ chemical oxidation
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Soil washing
D
Correct answer
Explanation
Soil washing is the process of removing contaminants from soil by washing it with water or a chemical solution.
What is the term used to describe the process of assessing the risk of soil contamination to human health and the environment?
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Risk assessment
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Remediation
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Monitoring
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Sampling
A
Correct answer
Explanation
Risk assessment is the process of assessing the risk of soil contamination to human health and the environment.
What is the term used to describe the process of removing pollutants from soil?
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Bioremediation
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Phytoremediation
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Remediation
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Decontamination
C
Correct answer
Explanation
Remediation is the general term used to describe the process of removing pollutants from soil, water, or other environmental media.
What is the term used to describe the process of converting contaminated soil into a safe and usable form?
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Soil remediation
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Soil restoration
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Soil decontamination
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Soil revitalization
A
Correct answer
Explanation
Soil remediation refers to the process of treating contaminated soil to remove or reduce pollutants and restore its quality to a safe and usable state.
What is the term for the process by which nitrogen is converted into a form that can be used by plants?
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Nitrogen fixation
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Nitrification
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Denitrification
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Assimilation
A
Correct answer
Explanation
Nitrogen fixation is the process by which nitrogen is converted into a form that can be used by plants, such as ammonia or nitrate.
What is the term for the process by which carbon dioxide is removed from the atmosphere?
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Carbon sequestration
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Carbon capture and storage
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Reforestation
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Afforestation
A
Correct answer
Explanation
Carbon sequestration is the process by which carbon dioxide is removed from the atmosphere and stored in a long-term reservoir.
What is the term for the process by which nutrients are recycled within an ecosystem?
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Nutrient cycling
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Biogeochemical cycling
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Ecological succession
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Primary production
A
Correct answer
Explanation
Nutrient cycling is the process by which nutrients are recycled within an ecosystem, ensuring their availability for plant growth.
What is the term for the process of removing pollutants from water?
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Bioremediation
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Phytoremediation
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Water filtration
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Desalination
C
Correct answer
Explanation
Water filtration involves passing water through a filter to remove impurities and pollutants.
What is the term for the process of using plants to remove pollutants from soil and water?
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Bioremediation
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Phytoremediation
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Biofiltration
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Phytoextraction
B
Correct answer
Explanation
Phytoremediation involves using plants to absorb and break down pollutants in soil and water.
What is the term for the process of using microorganisms to break down pollutants?
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Bioremediation
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Phytoremediation
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Biofiltration
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Biodegradation
A
Correct answer
Explanation
Bioremediation involves using microorganisms, such as bacteria and fungi, to break down pollutants in soil, water, and air.
What is the term for the process of reducing the amount of waste produced?
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Recycling
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Composting
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Waste reduction
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Zero waste
C
Correct answer
Explanation
Waste reduction involves reducing the amount of waste generated at the source, such as by using reusable products and avoiding single-use plastics.
What is the term for the process of using filters to remove pollutants from air?
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Air filtration
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Bioremediation
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Phytoremediation
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Carbon capture and storage
A
Correct answer
Explanation
Air filtration involves passing air through a filter to remove pollutants, such as dust, pollen, and smoke particles.
What is the term for the process of capturing and storing carbon dioxide to reduce greenhouse gas emissions?
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Carbon capture and storage
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Carbon sequestration
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Carbon offsetting
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Carbon trading
A
Correct answer
Explanation
Carbon capture and storage (CCS) involves capturing carbon dioxide from industrial processes or the atmosphere and storing it underground to reduce greenhouse gas emissions.
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The use of biological agents to remove pollutants from the environment
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The use of chemical agents to remove pollutants from the environment
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The use of physical agents to remove pollutants from the environment
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None of the above
A
Correct answer
Explanation
Bioremediation is the use of biological agents such as bacteria, fungi, and plants to remove pollutants from the environment. Bioremediation can be used to remove a variety of pollutants, including EDCs.