Understand the importance of environmental chemistry through these MCQs. Topics include water treatment, waste management, and renewable resources. Use trending keywords like “environmental chemistry quiz for exams” and “MCQs on pollution control.” A valuable resource for eco-conscious learners.
The term “greenhouse effect” refers to:
a) The trapping of heat by the Earth’s atmosphere
b) The absorption of light by plants
c) The cooling of the Earth’s surface
d) The melting of glaciers
Which gas is primarily responsible for the greenhouse effect?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Water vapor
Acid rain is caused by the presence of which two gases in the atmosphere?
a) Oxygen and nitrogen
b) Oxygen and carbon dioxide
c) Carbon dioxide and sulfur dioxide
d) Nitrogen and sulfur dioxide
The process by which metals are extracted from their ores using heat is called:
a) Smelting
b) Alloying
c) Electroplating
d) Galvanization
Which of the following is a primary air pollutant?
a) Ozone
b) Sulfur dioxide
c) Carbon monoxide
d) Nitrogen oxide
The chemical formula for ozone is:
a) CO
b) CO2
c) SO2
d) O3
Which of the following is a secondary air pollutant?
a) Sulfur dioxide
b) Carbon monoxide
c) Ozone
d) Lead particles
The process by which green plants use sunlight to synthesize food from carbon dioxide and water is called:
a) Respiration
b) Photosynthesis
c) Fermentation
d) Combustion
Which of the following is a major greenhouse gas emitted from livestock and agriculture?
a) Methane
b) Carbon dioxide
c) Nitrous oxide
d) Sulfur dioxide
The process of converting waste materials into reusable products to prevent environmental pollution is called:
a) Incineration
b) Composting
c) Recycling
d) Landfilling
Which of the following is not a primary air pollutant?
a) Carbon monoxide
b) Sulfur dioxide
c) Nitrogen oxide
d) Ozone
The process of removing salt from seawater to obtain fresh water is called:
a) Filtration
b) Desalination
c) Distillation
d) Precipitation
Which of the following is not a greenhouse gas?
a) Methane
b) Carbon dioxide
c) Nitrous oxide
d) Sulfur dioxide
The process by which plants release water vapor into the atmosphere is called:
a) Transpiration
b) Condensation
c) Precipitation
d) Evaporation
Acid rain has a pH value:
a) Less than 7
b) Exactly 7
c) More than 7
d) None of the above
The primary source of sulfur dioxide emissions is:
a) Volcanic eruptions
b) Forest fires
c) Burning of fossil fuels
d) Industrial processes
The chemical symbol for lead is:
a) P
b) C
c) Pb
d) Ld
The major greenhouse gas released during the burning of fossil fuels is:
a) Methane
b) Carbon dioxide
c) Nitrous oxide
d) Ozone
Which of the following is a harmful component of vehicle emissions?
a) Carbon monoxide
b) Oxygen
c) Nitrogen
d) Water vapor
Which of the following is not a source of indoor air pollution?
a) Smoking
b) Household cleaning products
c) Outdoor air pollution
d) Radon gas
The process of breaking down complex substances into simpler ones by microorganisms is called:
a) Photosynthesis
b) Combustion
c) Decomposition
d) Filtration
The primary source of carbon monoxide emissions is:
a) Volcanic eruptions
b) Forest fires
c) Burning of fossil fuels
d) Industrial processes
The chemical symbol for carbon dioxide is:
a) CO2
b) O2
c) SO2
d) CO
The process of converting solid waste into organic fertilizer is called:
a) Incineration
b) Composting
c) Recycling
d) Landfilling
Which of the following is a major air pollutant in smog?
a) Oxygen
b) Nitrogen
c) Ozone
d) Carbon dioxide
The chemical symbol for nitrogen dioxide is:
a) NO
b) NO2
c) CO
d) CO2
The process by which plants absorb water from the soil and release it into the atmosphere is called:
a) Transpiration
b) Condensation
c) Precipitation
d) Evaporation
Which of the following is a major air pollutant emitted from vehicle exhausts?
a) Oxygen
b) Nitrogen
c) Carbon monoxide
d) Water vapor
The chemical symbol for sulfur dioxide is:
a) SO
b) SO2
c) CO
d) CO2
Which of the following is a major greenhouse gas emitted from agricultural activities?
a) Methane
b) Carbon dioxide
c) Nitrous oxide
d) Sulfur dioxide
The process of using microorganisms to break down organic matter in the absence of oxygen is called:
a) Fermentation
b) Photosynthesis
c) Combustion
d) Anaerobic digestion
Which of the following is a major air pollutant released during volcanic eruptions?
a) Oxygen
b) Nitrogen
c) Sulfur dioxide
d) Carbon dioxide
The process of converting liquid waste into solid waste for disposal is called:
a) Incineration
b) Composting
c) Recycling
d) Landfilling
Which of the following is a major air pollutant emitted from industrial processes?
a) Oxygen
b) Nitrogen
c) Carbon monoxide
d) Sulfur dioxide
The chemical formula for carbon monoxide is:
a) CO
b) CO2
c) SO2
d) O2
The process by which water vapor changes into liquid water is called:
a) Transpiration
b) Condensation
c) Precipitation
d) Evaporation
Which of the following is not a greenhouse gas?
a) Methane
b) Carbon dioxide
c) Nitrous oxide
d) Oxygen
The chemical symbol for methane is:
a) CH4
b) CO2
c) SO2
d) CO
The process by which pollutants are removed from a gas or liquid by passing it through a filter is called:
a) Photosynthesis
b) Filtration
c) Decomposition
d) Fermentation
Which of the following is not a method of water purification?
a) Distillation
b) Chlorination
c) Filtration
d) Fermentation
The chemical symbol for nitrous oxide is:
a) NO
b) NO2
c) N2O
d) N2
The process of converting liquid waste into vapor and then condensing it back into liquid is called:
a) Filtration
b) Desalination
c) Distillation
d) Precipitation
The chemical formula for nitric oxide is:
a) NO
b) NO2
c) CO
d) CO2
The process by which liquid waste is converted into solid waste for disposal is called:
a) Incineration
b) Composting
c) Recycling
d) Landfilling
Which of the following is a major air pollutant released during forest fires?
a) Oxygen
b) Nitrogen
c) Sulfur dioxide
d) Carbon monoxide
The chemical symbol for water is:
a) CO
b) CO2
c) H2O
d) O2
Which of the following is a major air pollutant released from burning fossil fuels?
a) Oxygen
b) Nitrogen
c) Carbon monoxide
d) Water vapor
The process of converting solid waste into vapor and then condensing it back into solid form is called:
a) Filtration
b) Desalination
c) Distillation
d) Precipitation
Which of the following is a major air pollutant released during combustion of fossil fuels?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Sulfur dioxide
The chemical symbol for carbon dioxide is:
a) CO
b) CO2
c) SO2
d) O2
The process of converting liquid waste into vapor and then condensing it back into liquid is called:
a) Filtration
b) Desalination
c) Distillation
d) Precipitation
Which of the following is a major air pollutant released during forest fires?
a) Oxygen
b) Nitrogen
c) Sulfur dioxide
d) Carbon monoxide
The chemical symbol for water is:
a) CO
b) CO2
c) H2O
d) O2
Which of the following is a major air pollutant released from burning fossil fuels?
a) Oxygen
b) Nitrogen
c) Carbon monoxide
d) Water vapor
The process of converting solid waste into vapor and then condensing it back into solid form is called:
a) Filtration
b) Desalination
c) Distillation
d) Precipitation
Which of the following is a major air pollutant released during combustion of fossil fuels?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Sulfur dioxide
The chemical symbol for carbon dioxide is:
a) CO
b) CO2
c) SO2
d) O2
The process of converting liquid waste into vapor and then condensing it back into liquid is called:
a) Filtration
b) Desalination
c) Distillation
d) Precipitation
Which of the following is a major air pollutant released during forest fires?
a) Oxygen
b) Nitrogen
c) Sulfur dioxide
d) Carbon monoxide
The chemical symbol for water is:
a) CO
b) CO2
c) H2O
d) O2
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