Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What is the property of water that prevents lather formation with soap?
What is the property of water that prevents lather formation with soap?
- Conductivity
- Alkalinity
- Soap consuming capacity (correct)
- Viscosity
Which ions in water react with sodium salts of soap to form insoluble scum?
Which ions in water react with sodium salts of soap to form insoluble scum?
- Sodium and chloride ions
- Calcium and magnesium ions (correct)
- Potassium and sulfate ions
- Iron and zinc ions
How is temporary hardness of water also known?
How is temporary hardness of water also known?
- Sulfate hardness
- Phosphate hardness
- Chloride hardness
- Carbonate hardness (correct)
Which process can remove permanent hardness of water?
Which process can remove permanent hardness of water?
Signup and view all the answers
What type of scum is formed when calcium and magnesium ions react with sodium salts of soap?
What type of scum is formed when calcium and magnesium ions react with sodium salts of soap?
Signup and view all the answers
