CHM 302-EXAM 3 STUDY GUIDE
1. Which of the following three (3) chemicals are parts of the “dirty dozen” list of persistent
organic pollutants to be banned by the United Nations?
DDT MTBE Methanol Benzene Ozone Dioxins PCB Toxaphene
4. What 1 sector uses the largest amount of water in the United States?
Drinking water Personal hygiene agriculture power plants
5. What is the largest use of water worldwide?
human consumption agriculture human hygiene Industrial
2. Which of the following are the two (2) major nutrients in water?
P F N Ar As B Si He
4. Which of the following are diseases spread by waterborne infectious agents?
Cholera Ebola Influenza Hepatitis
7. Which of the following are considered forms of water pollution?
Excess nutrients acids oil suspended solids dissolved solids
, CHM 302-EXAM 3 STUDY GUIDE
TRUE/FALSE
1. Drip irrigation is far more effective than sprinkler irrigation True False
2. Ozone is an alternative to chlorine for the disinfection of water True False
3. Reclaimed wastewater is used for golf course irrigation in AZ True False
4. Minamata disease is caused by consumption of pesticide-contaminated fish True False
5. Rivers are more susceptible to become oxygen depleted than lakes True False
6. DDT saved millions of human lived by helping fight back malaria and Typhus True False
7. Sewage is 50% water 50% solids True False
8. Oxygen in the lakes is produced at the top layer of water True False
9. Ocean water is acidic and has a pH of 5 True False
10. Atmospheric oxygen comes from outgassing of the earth interior True False
11. There are no hazardous waste superfund sites in Arizona True False
12. The toxicity of metals is dependent on their chemical form True False
13. Many terrestrial organisms can use N2 from the air that’s why N2 is never a limiting nutrient in
terrestrial ecosystems True False
14. The main exposure to heavy metals in our bodies is from food True False
15. Babies are less vulnerable to endocrine disruptors than adults as they eat so little True False
1. Excess of nutrients can be a form of pollution. True False
2. UV light irradiation is an alternative to water chlorination. True False
3. The biggest pesticide use is for fungicides. True False
4. DDT is quickly degraded in the atmosphere. True False
5. Babies are less sensitive to pollutants because they drink a lot of milk. True False
6. If water has low concentrations of Ca and Mg, it is considered “hard”. True False
10. Heavy metals are elements that have high atomic masses. True False
12. Blue baby syndrome is linked to babies consuming water with high oxygen concentration. True False
13. Thyphoide Fever is common in the US and can be caught in swimming pools. True False
14. Household sewage contains >90% water. True False
15. Ocean water is acidic and has a pH of 5.7. True False
1. Sprinkler irrigation is the most efficient form of irrigation True False
1. Which of the following three (3) chemicals are parts of the “dirty dozen” list of persistent
organic pollutants to be banned by the United Nations?
DDT MTBE Methanol Benzene Ozone Dioxins PCB Toxaphene
4. What 1 sector uses the largest amount of water in the United States?
Drinking water Personal hygiene agriculture power plants
5. What is the largest use of water worldwide?
human consumption agriculture human hygiene Industrial
2. Which of the following are the two (2) major nutrients in water?
P F N Ar As B Si He
4. Which of the following are diseases spread by waterborne infectious agents?
Cholera Ebola Influenza Hepatitis
7. Which of the following are considered forms of water pollution?
Excess nutrients acids oil suspended solids dissolved solids
, CHM 302-EXAM 3 STUDY GUIDE
TRUE/FALSE
1. Drip irrigation is far more effective than sprinkler irrigation True False
2. Ozone is an alternative to chlorine for the disinfection of water True False
3. Reclaimed wastewater is used for golf course irrigation in AZ True False
4. Minamata disease is caused by consumption of pesticide-contaminated fish True False
5. Rivers are more susceptible to become oxygen depleted than lakes True False
6. DDT saved millions of human lived by helping fight back malaria and Typhus True False
7. Sewage is 50% water 50% solids True False
8. Oxygen in the lakes is produced at the top layer of water True False
9. Ocean water is acidic and has a pH of 5 True False
10. Atmospheric oxygen comes from outgassing of the earth interior True False
11. There are no hazardous waste superfund sites in Arizona True False
12. The toxicity of metals is dependent on their chemical form True False
13. Many terrestrial organisms can use N2 from the air that’s why N2 is never a limiting nutrient in
terrestrial ecosystems True False
14. The main exposure to heavy metals in our bodies is from food True False
15. Babies are less vulnerable to endocrine disruptors than adults as they eat so little True False
1. Excess of nutrients can be a form of pollution. True False
2. UV light irradiation is an alternative to water chlorination. True False
3. The biggest pesticide use is for fungicides. True False
4. DDT is quickly degraded in the atmosphere. True False
5. Babies are less sensitive to pollutants because they drink a lot of milk. True False
6. If water has low concentrations of Ca and Mg, it is considered “hard”. True False
10. Heavy metals are elements that have high atomic masses. True False
12. Blue baby syndrome is linked to babies consuming water with high oxygen concentration. True False
13. Thyphoide Fever is common in the US and can be caught in swimming pools. True False
14. Household sewage contains >90% water. True False
15. Ocean water is acidic and has a pH of 5.7. True False
1. Sprinkler irrigation is the most efficient form of irrigation True False
