Question

A sample of groundwater, which freely lathers with soap solution, is called _________ water.

Answer 1

Answer

Soft water:

• Water that does not have dissolved calcium and magnesium ions in it is called soft water.
• As soft water has fewer calcium ions, there is more lathering action of soaps.
• Groundwater is also soft Water because it has tiny minerals like calcium & magnesium in it and freely lathers with a soap solution.

Conclusion:

Therefore, A sample of groundwater, which freely lathers with soap solution, is called soft water.