states of matter and mixtures: water treatment

Question 1

What is the primary purpose of water treatment?

Answer 1

To remove contaminants and impurities from water to make it safe for drinking and other uses.

Question 2

True or False: Water treatment processes are only necessary for municipal water supplies.

Answer 2

False

Question 3

Fill in the blank: The process of removing suspended solids from water is known as _______.

Answer 3

sedimentation

Question 4

What are the main stages of water treatment?

Answer 4

Coagulation, sedimentation, filtration, and disinfection.

Question 5

Which chemical is commonly used for disinfection in water treatment?

Answer 5

Chlorine

Question 6

Multiple Choice: Which of the following is NOT a method of water treatment? A) Filtration B) Flocculation C) Incineration D) Disinfection

Answer 6

C) Incineration

Question 7

What is the role of activated carbon in water treatment?

Answer 7

To adsorb organic compounds and remove odors and tastes.

Question 8

True or False: Reverse osmosis is an effective method for removing dissolved salts and impurities from water.

Answer 8

True

Question 9

Short Answer: What is the purpose of coagulation in water treatment?

Answer 9

To aggregate suspended particles into larger flocs for easier removal.

Question 10

Fill in the blank: The primary goal of disinfection in water treatment is to eliminate _______.

Answer 10

pathogens