1. Chapter 13 Water: Rivers of Life; Seas of Sorrows James A. Noblet California State University San Bernardino, CA  2007 Prentice Hall Chemistry for Changing Times, 11 th edition John W. Hill and Doris K. Kolb

2. The molecular interaction most responsible for the unique properties of water is(are)______. 1.Dipole forces 2.Hydrogen bonding 3.Dispersion forces 4.Covalent bonding 5.Ionic bonding

3. The molecular interaction most responsible for the unique properties of water is(are)______. 1.Dipole forces 2.Hydrogen bonding 3.Dispersion forces 4.Covalent bonding 5.Ionic bonding

4. The atmospheric gas that is very soluble in water and makes natural rainwater slightly acidic is_______. 1.Nitrogen 2.Carbon dioxide 3.Sulfur dioxide 4.Ozone 5.Oxygen

5. CO 2(g) + H 2 O (l) → H 2 CO 3 (aq) → H + (aq) + HCO 3 - (aq) The atmospheric gas that is very soluble in water and makes natural rainwater slightly acidic is_______. 1.Nitrogen 2.Carbon dioxide 3.Sulfur dioxide 4.Ozone 5.Oxygen

6. A common concentration unit used in drinking water standards is mg/L, which is also commonly called______. 1.Percent 2.ppm 3.ppb 4.ppt 5.Molarity

7. A common concentration unit used in drinking water standards is mg/L, which is also commonly called______. 1.Percent 2.ppm 3.ppb 4.ppt 5.Molarity

8. The most common method used for disinfection of municipal drinking water is _______. 1.Ozonation 2.Filtration 3.Ultraviolet light 4.Chlorination 5.Pasteurization ???

9. The most common method used for disinfection of municipal drinking water is _______. 1.Ozonation 2.Filtration 3.Ultraviolet light 4.Chlorination 5.Pasteurization Chlorine

10. Wastewater treatment that uses trickling filters or activated sludge to remove dissolved organics and suspended solids is known as_______. 1.Primary 2.Secondary 3.Tertiary 4.Quaternary 5.Advanced

11. Wastewater treatment that uses trickling filters or activated sludge to remove dissolved organics and suspended solids is known as_______. 1.Primary 2.Secondary 3.Tertiary 4.Quaternary 5.Advanced