ECET Chemistry: Water Technology

1. Define soft water and hard water
2. Define hardness and causes of hardness
3. Describe different types of hardness
4. What are the disadvantages of hard water in industries
5. Describe the characteristics of drinking water
6. Define the degree of hardness, and its use and units
7. Describe the municipal treatment of water for drinking purpose
8. Describe the processes of osmosis and reverse osmosis
9. What are the advantages and disadvantages of osmosis and reverse osmosis