Units Of Hardness

Write unit of hardness?

Define Hardness. State the properties of hardness

Hardness OF Water|| Reason OF Hardness||Types OF Hardness|| Methods OF Removal OF Hardness|| Temporary Boiling|| Clark's Process||Permanent Hardness Methods|| Washing Soda|| Permutit Calgon||Ion Exchange Resin|| Heavy Water||Preparation|| Properties

Hard and SOFt Water, Methods to Remove Hardness, Degree OF Hardness

Is HCI cause hardness to water? What is the meaning 'Hardness is 300 ppm’?

Hard water does not give ready leather with soap. What is the reason for hardness?

What do you understand by the hardness of water and what are the causes of hardness ?