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Questions and Answers
Which ions react with sodium salts of soap to form insoluble scum in water?
Which ions react with sodium salts of soap to form insoluble scum in water?
- Potassium and sulfate ions
- Iron and zinc ions
- Sodium and chloride ions
- Calcium and magnesium ions (correct)
What is the property of water that prevents lather formation with soap?
What is the property of water that prevents lather formation with soap?
- Alkalinity
- Chloride presence
- Soap consuming capacity (correct)
- Sodium content
Which type of hardness can be removed by simple boiling?
Which type of hardness can be removed by simple boiling?
- Non-Alkaline Hardness
- Temporary or Carbonate Hardness (correct)
- Permanent or Non-Carbonate Hardness
- Alkaline Hardness
What causes permanent hardness in water?
What causes permanent hardness in water?
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Which process is used to remove permanent hardness in water?
Which process is used to remove permanent hardness in water?
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