Chemistry · Environmental Chemistry
How does hard water behave when treated or mixed with soap?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It dissolves soap completely without forming any residue
- 2It changes color immediately to dark blue
- 3It forms a sticky precipitate (scum) and gives less froth✓
- 4It forms lather or froth very easily
Correct answer
It forms a sticky precipitate (scum) and gives less froth
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