Environmental Studies ยท Chemistry
Environmental and Chemical Processes
2,261 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 converting waste into reusable materials?
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Recycling
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Composting
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Incineration
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Landfilling
A
Correct answer
Explanation
Recycling is the process of converting waste into reusable materials.
What is the term used to describe the process of reducing the amount of water used?
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Water conservation
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Water efficiency
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Water recycling
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All of the above
D
Correct answer
Explanation
Water conservation, water efficiency, and water recycling are all methods to reduce the amount of water used.
What is the process of converting organic waste into a nutrient-rich soil amendment called?
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Recycling
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Composting
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Incineration
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Pyrolysis
B
Correct answer
Explanation
Composting is the process of converting organic waste into a nutrient-rich soil amendment.
What is the process of burning waste at high temperatures to reduce its volume and generate energy called?
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Recycling
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Composting
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Incineration
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Pyrolysis
C
Correct answer
Explanation
Incineration is the process of burning waste at high temperatures to reduce its volume and generate energy.
What is the process of converting waste into a liquid fuel called?
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Recycling
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Composting
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Incineration
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Pyrolysis
D
Correct answer
Explanation
Pyrolysis is the process of converting waste into a liquid fuel.
What is the process of converting waste into a solid fuel called?
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Recycling
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Composting
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Incineration
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Refuse-derived fuel
D
Correct answer
Explanation
Refuse-derived fuel is the process of converting waste into a solid fuel.
What is the process of converting waste into a synthetic crude oil called?
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Recycling
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Composting
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Incineration
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Hydrothermal liquefaction
D
Correct answer
Explanation
Hydrothermal liquefaction is the process of converting waste into a synthetic crude oil.
What is the process of converting waste into a solid fuel called?
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Recycling
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Composting
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Incineration
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Refuse-derived fuel
D
Correct answer
Explanation
Refuse-derived fuel is the process of converting waste into a solid fuel.
Which of the following is a type of waste recovery technology that uses a biological process to convert waste into a liquid fuel?
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Recycling
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Composting
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Incineration
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Bioconversion
D
Correct answer
Explanation
Bioconversion is a type of waste recovery technology that uses a biological process to convert waste into a liquid fuel.
What is the process of converting waste into a gas called?
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Recycling
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Composting
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Incineration
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Gasification
D
Correct answer
Explanation
Gasification is the process of converting waste into a gas.
Which of the following is a type of waste recovery technology that uses a thermal process to convert waste into a solid fuel?
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Recycling
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Composting
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Incineration
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Pyrolysis
D
Correct answer
Explanation
Pyrolysis is a type of waste recovery technology that uses a thermal process to convert waste into a solid fuel.
What is the term used to describe the process of breaking down a compound into simpler substances?
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Synthesis
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Decomposition
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Single-replacement
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Double-replacement
B
Correct answer
Explanation
Decomposition is a chemical reaction in which a single compound breaks down into two or more simpler substances.
Which type of bioremediation involves the use of microorganisms to break down and remove contaminants from soil and groundwater?
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In situ bioremediation
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Ex situ bioremediation
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Phytoremediation
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Bioaugmentation
A
Correct answer
Explanation
In situ bioremediation is a technique where microorganisms are applied directly to the contaminated site to break down and remove contaminants without removing the soil or groundwater.
Which type of bioremediation involves the removal of contaminated soil or groundwater from a site for treatment and then returning it to the site?
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In situ bioremediation
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Ex situ bioremediation
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Phytoremediation
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Bioaugmentation
B
Correct answer
Explanation
Ex situ bioremediation involves the removal of contaminated soil or groundwater from a site for treatment and then returning it to the site after the contaminants have been removed or reduced.
Which type of bioremediation involves the use of microorganisms to break down and remove contaminants from solid waste?
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Composting
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Anaerobic digestion
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Landfarming
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Bioremediation of solid waste
D
Correct answer
Explanation
Bioremediation of solid waste involves the use of microorganisms to break down and remove contaminants from solid waste, such as municipal solid waste, industrial waste, and agricultural waste.