Quiz on Water Treatment & Analysis
Water Treatment & Analysis Quiz
Test your knowledge on water treatment and analysis with our engaging quiz! Discover the key concepts related to hardness, COD, disinfection methods, and more.
Perfect for students and professionals looking to refresh their understanding, the quiz includes:
- 10 multiple choice questions
- Instant feedback on your answers
- Topics covering both chemical and physical treatment methods
Temporary hardness of water may be removed by adding
Calcium hydroxide
Calcium carbonate
Calcium chloride
Sodium bicarbonate
Zeolite softening process removes
Only temporary hardness of water
Only permanent hardness of water
Both temporary and permanent hardness of water
The dissolved gases in permanent hard water
The chemical oxygen demand (COD)measures the
Amount of oxygen required for growth of microorganisms in water
Amount of oxygen that would be removed from the water in order to oxidize pollution
Amount of oxygen required to oxidize the calcium present in waste water
None of the above
Temporary hardness of water is caused by the presence of
Chlorides of calcium and magnesium
Sulfates of calcium and magnesium
Bicarbonates of calcium and magnesium
Carbonates of sodium and potassium
Zeolite used in zeolite softening process for the treatment of hard water gets exhausted after certain time of usage but can be regenerated by flushing it with
10% calcium chloride solution
10% magnesium sulfate solution
10% magnesium chloride solution
10% sodium chloride solution
Permanent hardness of water is caused by the presence of
Bicarbonates of calcium and magnesium
Carbonates of sodium and potassium
Chlorides and sulfates of calcium and magnesium
Phosphates of sodium and potassium
Which of the following chemical is sometime added in the process of coagulation and flocculation?
Aluminum sulphate
Aluminum oxide
Calcium chloride
Calcium Hydroxide
Which of the following physical method is used as germicidal in modern time for the treatment of drinking water?
Chlorination
Treating with potassium permagnate
UV radiation
Treating with bleaching powder
The common methods used for disinfection in waste water treatment plants are
Chlorination
UV light
Both (a) and (b)
Sedimentation
Which of the following substances are commonly used in a filter?
Charcoal
Sand
Both (a) and (b)
Aluminum chloride
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