Environmental Chemistry: Water Quiz
(223).jpg "Environmental Chemistry: Water Quiz - Quiz")
. Do you know about environmental chemistry? It includes various factors, and one such important factor is water. Take this quiz if you want to test your memory on water, its component, contamination, and other factors. Your scores will reveal your knowledge of the Environmental Chemistry Water Quiz. All the best for your perfect scores.
- 1.Percentage of sodium chloride in sea water is?
- A.
0.02
- B.
3.4
- C.
97
- D.
2
- E.
Option 5
- 2.The density of water is maximum at:
- A.
0 oC
- B.
4oC
- C.
100 oC
- D.
-4 oC
- 3.Which salt does not cause the water to become hard?
- A.
Calcium hydrogen carbonate
- B.
Magnesium hydrogen carbonate
- C.
Magnesium sulphate
- D.
Sodium chloride
- 4.Which salt causes temporary hardness in water?
- A.
Magnesium sulphate
- B.
Calcium sulphate
- C.
Both calcium sulphate and magnesium sulphate
- D.
Magnesium hydrogen cabonate
- 5.Heating calcium hydrogen carbonate produces?
- A.
CO2
- B.
H2O
- C.
CaCO3
- D.
All of these
- 6.Which of the followings is not a water born disease?
- A.
Hepatitis
- B.
Typhoid
- C.
Dysentery
- D.
Anemia
- 7.Which human activity results in contamination of water bodies?
- A.
Livestock waste
- B.
Pesticides
- C.
Septic tanks
- D.
All of these
- 8.Which is used to remove permanent hardness in water?
- A.
Slaked Lime
- B.
Washing soda
- C.
Boiling water
- D.
All of these
- 9.Most of Earth's salt water is stored in?
- A.
Underground
- B.
The Ocean
- C.
Sink
- D.
Glaciers
- 10.What will happen if too many nitrates go into the water ?
- A.
Evaporation
- B.
Eutrophication
- C.
The water becomes grey
- D.
Photosynthesis
Questions: 10 | Attempts: 6768 | Last updated: Mar 22, 2022
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