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World Sustainable Water Treatment Online MCQs with Answers
Which water treatment method involves the use of chemicals to remove contaminants and impurities from water?
a) Filtration
b) Desalination
c) Chlorination
d) Aeration
Which water treatment process utilizes membranes to remove salts and impurities from seawater?
a) Filtration
b) Desalination
c) Chlorination
d) Aeration
Which water treatment method removes suspended particles and solids through the use of physical barriers?
a) Filtration
b) Desalination
c) Chlorination
d) Aeration
Which water treatment process involves the addition of air or oxygen to improve water quality and remove dissolved gases?
a) Filtration
b) Desalination
c) Chlorination
d) Aeration
Which water treatment method utilizes activated carbon to remove organic compounds and chemicals from water?
a) Filtration
b) Desalination
c) Chlorination
d) Aeration
Which water treatment process uses ultraviolet (UV) light to disinfect water by inactivating microorganisms?
a) Filtration
b) Desalination
c) UV sterilization
d) Aeration
Which water treatment method involves the removal of dissolved salts and minerals to make water suitable for consumption?
a) Filtration
b) Desalination
c) Chlorination
d) Aeration
Which water treatment process uses coagulants and flocculants to remove suspended particles and sediments from water?
a) Filtration
b) Coagulation
c) Chlorination
d) Aeration
Which water treatment method involves the disinfection of water by the use of chlorine or other disinfectants?
a) Filtration
b) Desalination
c) Chlorination
d) Aeration
Which water treatment process uses ion exchange to remove specific ions from water, such as hardness ions?
a) Filtration
b) Desalination
c) Ion exchange
d) Aeration
Which water treatment method utilizes biological processes to break down organic matter and remove nutrients from water?
a) Filtration
b) Desalination
c) Biological treatment
d) Aeration
Which water treatment process involves the removal of dissolved gases, such as carbon dioxide, through aeration or degasification?
a) Filtration
b) Desalination
c) Chlorination
d) Degasification
Which water treatment method combines physical, chemical, and biological processes to remove a wide range of contaminants?
a) Filtration
b) Desalination
c) Chlorination
d) Advanced treatment
Which water treatment process involves the removal of dissolved metals, such as iron and manganese, through chemical oxidation?
a) Filtration
b) Desalination
c) Oxidation
d) Aeration
Which water treatment method uses a combination of physical and chemical processes to remove microorganisms and pathogens?
a) Filtration
b) Desalination
c) Chlorination
d) Disinfection
Which water treatment process involves the removal of dissolved organic compounds and disinfection by exposure to ozone?
a) Filtration
b) Desalination
c) Ozonation
d) Aeration
Which water treatment method utilizes reverse osmosis membranes to remove contaminants and impurities from water?
a) Filtration
b) Desalination
c) Chlorination
d) Reverse osmosis
Which water treatment process involves the removal of suspended solids and sediments through the settling of particles by gravity?
a) Filtration
b) Desalination
c) Sedimentation
d) Aeration
Which water treatment method uses natural processes such as sand and gravel filtration to remove impurities from water?
a) Natural treatment
b) Desalination
c) Chlorination
d) Aeration
Which water treatment process involves the removal of dissolved minerals and impurities through the process of electrodialysis?
a) Filtration
b) Desalination
c) Chlorination
d) Electrodialysis
Which water treatment method utilizes sand, gravel, and activated carbon filters to remove particles and adsorb organic compounds?
a) Filtration
b) Desalination
c) Chlorination
d) Adsorption
Which water treatment process involves the removal of dissolved gases and volatile organic compounds through air stripping?
a) Filtration
b) Desalination
c) Air stripping
d) Aeration
Which water treatment method uses chemical oxidation to destroy or neutralize organic contaminants in water?
a) Filtration
b) Desalination
c) Chemical oxidation
d) Aeration
Which water treatment process involves the removal of fluoride ions from water through the use of adsorbents or ion exchange resins?
a) Filtration
b) Desalination
c) Fluoride removal
d) Aeration
Which water treatment method utilizes natural processes such as wetlands and constructed wetland systems to treat wastewater?
a) Natural treatment
b) Desalination
c) Chlorination
d) Aeration
Which water treatment process involves the removal of dissolved organic compounds and microorganisms through activated sludge treatment?
a) Filtration
b) Desalination
c) Activated sludge
d) Aeration
Which water treatment method uses chemical precipitation to remove heavy metals and other contaminants from water?
a) Filtration
b) Desalination
c) Chemical precipitation
d) Aeration
Which water treatment process involves the removal of dissolved gases and volatile organic compounds through vacuum degasification?
a) Filtration
b) Desalination
c) Vacuum degasification
d) Aeration
Which water treatment method uses natural processes such as coagulation and sedimentation in combination with filtration to remove impurities?
a) Natural treatment
b) Desalination
c) Coagulation
d) Aeration
Which water treatment process involves the removal of dissolved organic compounds and color through activated carbon adsorption?
a) Filtration
b) Desalination
c) Activated carbon adsorption
d) Aeration
Which water treatment method uses chemical disinfection agents, such as chlorine dioxide or ozone, to kill microorganisms in water?
a) Filtration
b) Desalination
c) Chemical disinfection
d) Aeration
Which water treatment process involves the removal of dissolved organic compounds and microorganisms through membrane filtration?
a) Filtration
b) Desalination
c) Membrane filtration
d) Aeration
Which water treatment method uses natural processes such as evaporation and condensation to remove salts and impurities from water?
a) Filtration
b) Desalination
c) Distillation
d) Aeration
Which water treatment process involves the removal of dissolved organic compounds and microorganisms through nanofiltration or ultrafiltration?
a) Filtration
b) Desalination
c) Nanofiltration
d) Aeration
Which water treatment method uses natural processes such as solar radiation and gravity to purify water in remote areas?
a) Natural treatment
b) Desalination
c) Chlorination
d) Aeration
Which water treatment process involves the removal of dissolved minerals and hardness ions through the process of ion exchange?
a) Filtration
b) Desalination
c) Ion exchange
d) Aeration