WorksheetsAdvanced Class Chapter 2
Total questions: 14
Worksheet time: 7mins
Water molecules have a positive and negative ____________ due to the movement and position of electrons and protons.
Charge
Pole
Ion
Water molecules are polar and __________ other molecules.
Attract
Repel
Bond
What is not an unusual quality that water exhibits?
Relatively Transparent
High Electrolytic Dissociation
High surface Tension
High heat capacity
What are some requirements for TCEQ approval of a water source?
Sufficient in quality and quantity
Protected from sources of contamination
Good tasting
Safe and sanitary
Which is not a quality of good drinking water?
High gasses
Non corrosive, non scaling, non staining
No disease causing organisms
Lowest possible levels of color, turbidity, taste and odor.
What gasses may be found in ground water?
Hydrogen Sulfide
Methane
Oxygen
Carbon Dioxide
At what temperature does water reach its maximum density?
0c
32c
40c
4c
At what temperature does water freeze?
0f
4f
40f
32f
What is the weight in pounds of a gallon of water?
7.48
8.34
17.12
62.4
What is the weight in pounds of a cubic foot of water?
7.48
8.34
17.12
62.4
As water cools below 4c it______________.
Expands
Contracts
Ice is about __________ less dense than water.
1%
4%
8%
20%
What is not a characteristic of groundwater?
High mineral content
High dissolved gasses
Stable temperature
High turbidity
What is not a characteristic of surface water?
High algae
High hardness
Low dissolved gasses
High color
