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WorksheetsQuiz on Ion Exchange and Demineralization
Total questions: 16
Worksheet time: 8mins
What is the primary function of a demineralization plant?
To increase water temperature
To filter out solid debris
To remove inorganic salts from water
To add minerals to water
Which type of ion is positively charged?
Anion
Cation
Hydroxide
Organic ion
What is the main disadvantage of ion exchange?
Production of saline waste
High cost of operation
Inefficiency in removing impurities
Complexity of the process
What is the role of organic scavengers in water treatment?
To eliminate unwanted taste and odor
To remove dissolved salts
To increase water hardness
To add nutrients to the water
What is the chemical formula for water?
H2O
CO2
O2
NaCl
Which ions must be removed from water before it can be used as boiler feedwater?
Sodium and potassium
Calcium and magnesium
Chloride and sulfate
Hydroxide and bicarbonate
What type of resin is used for cation exchange?
Anion exchange resin
Organic resin
Activated carbon
Cation exchange resin
What happens during the regeneration of exhausted resins?
Resins are discarded
Resins are cleaned with water
Resins are replaced with new ones
Resins are returned to a fresh state
What is the result of combining H+ and OH- ions?
Salt
Hydrogen gas
Carbon dioxide
Water
Which of the following industries relies on ion exchange for producing pure water?
Construction industry
Agriculture
Nuclear power stations
Textile industry
What is the process of removing dissolved minerals from water called?
Filtration
Demineralization
Flocculation
Chlorination
Which of the following is a common application of reverse osmosis?
pH adjustment
Desalination
Water softening
Disinfection
What type of ion is negatively charged?
Anion
Cation
Neutral ion
Organic ion
What is the primary purpose of using activated carbon in water treatment?
To soften water
To adsorb organic compounds
To increase pH levels
To remove heavy metals
Which process is commonly used to separate water from dissolved salts?
Filtration
Reverse osmosis
Evaporation
Distillation
What is the main advantage of using ion exchange over other water purification methods?
Ability to remove specific ions
Lower energy consumption
Lower cost of materials
Faster processing time
