Create

Random

4. Water Treatment to spec

Quiz by

Rate:

Last updated: May 17, 2025

You have not attempted this quiz yet.

More quiz info >>

First submitted	May 16, 2025
Times taken	5
Average score	96.8%
Report this quiz	Report

Quiz and answer stats >>

Friends stats >>

10:00

Enter answer here

/ 31 guessed

The quiz is paused. You have remaining.

Copied!

Scoring

You scored / = %

This beats or equals % of test takers also scored 100%

The average score is

Your high score is

Your fastest time is

more stats >>

friends stats >>

Keep scrolling down for answers and more stats ...

Hint	Answer
Water treatment	1. Sedimentation
Water treatment	2. Screens
Water treatment	3. Aeration
Water treatment	4. Coagulation and flocculation
Water treatment	5. Clarification
Water treatment	6. Filtration
Water treatment	6.5 Desalination
Water treatment	7. Carbon treatment
Water treatment	8. Sterilisation
Water treatment	9. pH adjustment
Water treatment	10. Ion exchange
Contaminants	Litter
Contaminants	Suspended solids
Contaminants	Metals
Contaminants	Odours
Contaminants	Organic pollutants

Hint	Answer
Contaminants	Salts
Contaminants	Pathogens
Screen types (2)	Grills, mesh
Purpose of aeration	Ammonia stripping
Purpose of aeration	Decarbonisation
Purpose of aeration	Oxidise dissolved metals
Requirement for C+F	Electrostatic charges make particles repel
Coagulation	Neutralises
Flocculation	Binds
Coagulant example	Aluminium sulfate
Filtration flows through (2)	Gravel, sand
Carbon treatment	Organic chemicals adsorb onto activated carbon filter
pH adjustment	Crushed lime filter
Ion exchange	Toxic ions adsorb onto polymer beads
Reverse osmosis	Filtration through partially permeable membrane

Save Your Stats

Your Next Quiz

Countries with the Biggest Economies by GDP

We made a list of the 20 countries that have the largest economies. How many can you name?

Richest Countries by Per-Capita GDP

Can you name the countries with the highest GDP per capita?

Top 10 Biggest Economies in Asia

Can you name the ten Asian countries with the largest GDPs?

Letters that Don't Start a U.S. State

Which letters of the alphabet are NOT the first letter of a U.S. state?

Comments

No comments yet

Countries of the World Quiz

US States Quiz

World Map Without 20 Random Countries

Countries by First Two Letters in 90 Seconds

Fast Typing 1 to 100

World Capitals Quiz

Europe Map Quiz

United States Map Quiz

Countries by Borders in 90 Seconds

Countries of Europe Quiz

U.S. Presidents Quiz

Fifty US States in One Minute

Quiz series by stwvlker

1. The Atmosphere to spec

2. Ozone to spec

3. The Hydrosphere to spec

...

5. Lithosphere (sans mining) to spec

6. Mining to spec

7. Carbon Cycle to spec