Lecture -1
By
Dr. Raman Singh
Topics Covered
Sources of water
Impurities of water
Hard and soft water,
Hardness
Types of hardness
Unit of Hardness
Disadvantages of hard water in domestic and industrial uses
Characteristics of drinking or potable water
Questions for Assignment:
What are the various sources of water?
What are the Characteristics of potable water?
What are the disadvantages of hard water?
What are the different units of water hardness?
Describe impurities present in water?
Give the difference between soft and hard water?