Multiple Choice
What is the name of the sticky gelatinous precipitate that is formed in the primary treatment process and carries away suspended dirt particles and bacteria?
A) calcium sulfate
B) calcium hydroxide
C) aluminum hydroxide
D) aluminum sulfate
Correct Answer:
Verified
Correct Answer:
Verified
Q3: Of the following properties of water, which
Q4: Which ions are associated with hard water?<br>A)
Q5: Layers of water-bearing porous rock are called<br>A)
Q6: Identify the endothermic process among the following.<br>A)
Q7: Which of the following dissolved substances would
Q9: Acid rain (acid deposition) contributes to which
Q10: Which type of industrial product listed below
Q11: Which of the following would affect biochemical
Q12: The disinfectant widely used in Europe to
Q13: The average number of gallons of water