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Questions and Answers
What is the property of water that prevents lather formation of soap?
What is the property of water that prevents lather formation of soap?
- Acidity
- Salinity
- Hardness (correct)
- Alkalinity
Which ions are responsible for causing hard water?
Which ions are responsible for causing hard water?
- Potassium (K+) ions
- Calcium (Ca2+) ions (correct)
- Sodium (Na+) ions
- Chloride (Cl-) ions
What type of hardness can be removed by simple boiling?
What type of hardness can be removed by simple boiling?
- Temporary hardness (correct)
- Permanent hardness
- Very hard hardness
- Moderate hardness
What forms when Calcium and Magnesium ions react with sodium salts of soap?
What forms when Calcium and Magnesium ions react with sodium salts of soap?
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What is the hardness range for water categorized as 'Very hard'?
What is the hardness range for water categorized as 'Very hard'?
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What is the property of water that prevents lather formation of soap?
What is the property of water that prevents lather formation of soap?
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Which ions are responsible for causing permanent hardness in water?
Which ions are responsible for causing permanent hardness in water?
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What is the soap consuming capacity of water known as?
What is the soap consuming capacity of water known as?
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Which type of hardness can be removed by simple boiling?
Which type of hardness can be removed by simple boiling?
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What is the range of hardness for water categorized as 'Moderately hard (Medium)'?
What is the range of hardness for water categorized as 'Moderately hard (Medium)'?
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