NEETChemistryHydrogen
Why is hard water unsuitable for laundry?
Options
- AIt is too acidic
- BIt contains too many dissolved gases
- CIt forms scum/precipitate with soap
- DIt is too cold
Correct answer
C. It forms scum/precipitate with soap
Step-by-step solution
Hard water is unsuitable for laundry because it forms scum or precipitate with soap, reducing its cleaning efficiency.