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Questions and Answers
What is the term for water that does not produce lather with soap?
What is the term for water that does not produce lather with soap?
- Hard water (correct)
- Permanent hardness water
- Temporary hardness water
- Soft water
Which minerals are responsible for the formation of hard water?
Which minerals are responsible for the formation of hard water?
- Iron and Zinc
- Potassium and Sodium
- Calcium and Magnesium (correct)
- Chlorine and Fluorine
What causes temporary hardness of water?
What causes temporary hardness of water?
- Presence of Ca and Mg bicarbonate (correct)
- Presence of Ca and Mg sulfate
- Presence of Fe and Al carbonate
- Presence of Na and K chloride
What is the result of the reaction between hard water and soap?
What is the result of the reaction between hard water and soap?
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Which method is used for the removal of boiler troubles by internal treatment?
Which method is used for the removal of boiler troubles by internal treatment?
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What is the cause of temporary hardness of water?
What is the cause of temporary hardness of water?
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What is the result of the reaction between hard water and soap?
What is the result of the reaction between hard water and soap?
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Which method is used for the removal of boiler troubles by internal treatment?
Which method is used for the removal of boiler troubles by internal treatment?
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What is the term for water that does not produce lather with soap?
What is the term for water that does not produce lather with soap?
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Which minerals are responsible for the formation of hard water?
Which minerals are responsible for the formation of hard water?
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