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 of capturing and storing carbon dioxide (CO2) from oil and gas operations?

  1. Carbon capture and storage (CCS)

  2. Carbon capture and utilization (CCU)

  3. Carbon dioxide sequestration (CDS)

  4. Carbon dioxide injection (CDI)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Carbon capture and storage (CCS) involves capturing CO2 from industrial sources, such as oil and gas operations, and storing it underground to reduce greenhouse gas emissions.

Multiple choice

What is the term used to describe the process of reducing methane emissions from oil and gas operations?

  1. Methane mitigation

  2. Methane capture

  3. Methane flaring

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

Methane mitigation refers to the practices and technologies used to reduce methane emissions from oil and gas operations, such as leak detection and repair, and the use of low-emission equipment.

Multiple choice

The process by which nitrogen is converted from atmospheric nitrogen gas into a form that can be used by plants is called:

  1. Nitrogen fixation

  2. Nitrification

  3. Denitrification

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

Nitrogen fixation is the process by which nitrogen gas is converted into ammonia, which can then be used by plants.

Multiple choice

The process by which organic matter is broken down into simpler compounds by microorganisms is called:

  1. Decomposition

  2. Nitrification

  3. Denitrification

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

Decomposition is the process by which organic matter is broken down into simpler compounds by microorganisms.

Multiple choice

The process by which nitrogen gas is released back into the atmosphere from soil is called:

  1. Nitrogen fixation

  2. Nitrification

  3. Denitrification

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

Denitrification is the process by which nitrogen gas is released back into the atmosphere from soil.

Multiple choice

The process by which organic matter is converted into fossil fuels is called:

  1. Decomposition

  2. Nitrification

  3. Denitrification

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

Fossilisation is the process by which organic matter is converted into fossil fuels.

Multiple choice

The process by which nitrogen gas is released back into the atmosphere from soil is called:

  1. Nitrogen fixation

  2. Nitrification

  3. Denitrification

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

Denitrification is the process by which nitrogen gas is released back into the atmosphere from soil.

Multiple choice

What is the term used to describe the process by which forests remove carbon dioxide from the atmosphere?

  1. Carbon sequestration

  2. Carbon storage

  3. Carbon capture

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

Carbon sequestration refers to the process by which forests absorb carbon dioxide from the atmosphere and store it in their biomass and soil.

Multiple choice

What is the process by which carbon dioxide dissolves in seawater and forms carbonic acid called?

  1. Carbonation

  2. Hydrolysis

  3. Acidification

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

Carbonation is the process by which carbon dioxide dissolves in water and forms carbonic acid.

Multiple choice

What is the process by which seawater becomes more alkaline called?

  1. Alkalinization

  2. Acidification

  3. Neutralization

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

Alkalinization is the process by which seawater becomes more alkaline.

Multiple choice

What is the process by which seawater becomes more neutral called?

  1. Neutralization

  2. Acidification

  3. Alkalinization

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

Neutralization is the process by which seawater becomes more neutral.

Multiple choice

What is the term used to describe the process by which pesticides break down in the environment?

  1. Bioaccumulation

  2. Biomagnification

  3. Persistence

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

Degradation refers to the chemical breakdown of pesticides into simpler compounds.

Multiple choice

What is the term used to describe the process by which pesticides evaporate and enter the atmosphere?

  1. Leaching

  2. Volatilization

  3. Bioaccumulation

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

Volatilization refers to the process by which pesticides evaporate and enter the atmosphere.

Multiple choice

What is the term used to describe the process of recovering valuable materials from waste?

  1. Recycling

  2. Composting

  3. Incineration

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

Recycling is the process of recovering valuable materials from waste and converting them into new products. Composting involves the decomposition of organic matter into a nutrient-rich soil amendment, incineration involves burning waste to generate energy, and landfilling involves the disposal of waste in a designated area.

Multiple choice

What is the term used to describe the process of reducing the amount of hazardous waste generated?

  1. Waste minimization

  2. Waste reduction

  3. Waste elimination

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

Waste minimization is the process of reducing the amount of hazardous waste generated. It involves measures such as process modifications, material substitution, and improved housekeeping practices.