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

Multiple choice

What is the term used to describe the process by which nitrates are converted into nitrogen gas in water?

  1. Nitrification

  2. Denitrification

  3. Assimilation

  4. Mineralization
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Denitrification is the process by which nitrates are converted into nitrogen gas by microorganisms.

Multiple choice

What is the term used to describe the process of reducing emissions from stationary sources?

  1. Emission control

  2. Pollution prevention

  3. Emission reduction

  4. Air pollution control
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Emission control is the process of reducing emissions from stationary sources.

Multiple choice

What is the term used to describe the process of monitoring emissions from stationary sources?

  1. Emission monitoring

  2. Air quality monitoring

  3. Pollution monitoring

  4. Environmental monitoring
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Emission monitoring is the process of monitoring emissions from stationary sources.

Multiple choice

What is the term for the process of reducing the amount of waste produced by a community?

  1. Recycling

  2. Composting

  3. Waste reduction

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Recycling, composting, and waste reduction are all processes that can be used to reduce the amount of waste produced by a community.

Multiple choice

What is the process of breaking down concrete into smaller pieces called?

  1. Crushing

  2. Screening

  3. Washing

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Crushing is the process of breaking down concrete into smaller pieces.

Multiple choice

What is the process of recycling wood from construction and demolition waste called?

  1. Wood recycling

  2. Wood chipping

  3. Wood grinding

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Wood recycling, wood chipping, and wood grinding are all terms used to describe the process of recycling wood from construction and demolition waste.

Multiple choice

What is the process of recycling metal from construction and demolition waste called?

  1. Metal recycling

  2. Metal shredding

  3. Metal smelting

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Metal recycling, metal shredding, and metal smelting are all terms used to describe the process of recycling metal from construction and demolition waste.

Multiple choice

What is the term used to describe the process of removing toxic chemicals from soil and water?

  1. Reclamation

  2. Reforestation

  3. Remediation

  4. Restoration
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Remediation is the process of removing toxic chemicals from soil and water. It is often used to clean up contaminated sites, such as those that have been affected by mining activities.

Multiple choice

What is the term used to describe the process of removing or neutralizing toxic chemicals from the environment?

  1. Bioremediation

  2. Phytoremediation

  3. Remediation

  4. Decontamination
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Remediation is the general term used to describe the process of removing or neutralizing toxic chemicals from the environment.

Multiple choice

What is the term used to describe the process of converting toxic chemicals into less harmful or non-toxic substances?

  1. Biodegradation

  2. Detoxification

  3. Metabolism

  4. Phytoremediation
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Detoxification is the process of converting toxic chemicals into less harmful or non-toxic substances.

Multiple choice

What is the term used to describe the process of using plants to absorb and remove toxic chemicals from the soil or water?

  1. Bioremediation

  2. Phytoremediation

  3. Remediation

  4. Decontamination
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Phytoremediation is the process of using plants to absorb and remove toxic chemicals from the soil or water.

Multiple choice

What is the term used to describe the process of using microorganisms to break down and remove toxic chemicals from the environment?

  1. Bioremediation

  2. Phytoremediation

  3. Remediation

  4. Decontamination
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Bioremediation is the process of using microorganisms to break down and remove toxic chemicals from the environment.

Multiple choice

What is the term used to describe the process of removing or neutralizing toxic chemicals from a contaminated site?

  1. Bioremediation

  2. Phytoremediation

  3. Remediation

  4. Decontamination
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Decontamination is the process of removing or neutralizing toxic chemicals from a contaminated site.

Multiple choice

What is the term used to describe the process of removing PM from the air?

  1. Filtration

  2. Precipitation

  3. Coagulation

  4. Adsorption
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Filtration is the process of removing PM from the air by passing it through a filter that traps the particles.

Multiple choice

What is the term used to describe the process of reducing PM emissions from vehicles?

  1. Tailpipe emissions

  2. Catalytic converters

  3. Diesel particulate filters

  4. Evaporative emissions
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Catalytic converters are devices installed in vehicle exhaust systems to reduce emissions of harmful pollutants, including PM, by converting them into less harmful substances.