Questions and Answers
What type of hardness can be removed by boiling water?
Temporary hardness
What is the purpose of adding chlorine to water treatment?
To kill pathogenic bacteria and keep the water bacteria-free until it reaches its destination.
What is the purpose of flouridation in water treatment?
To strengthen teeth and prevent decay.
What is the difference between temporary and permanent hardness?
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How can heavy metals be removed?
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What is ion exchange used for in water treatment?
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What is the purpose of pH adjustment in water treatment?
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What is the first stage of sewage treatment?
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What is the process called when small suspended solids in water come together?
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Name some compounds responsible for permanent hardness in water?
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What happens to calcium hydrogencarbonate when hard water is boiled?
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