Chapter 3 Flashcards
The chemical symbol for water is
H2O
There are 2 hydrogen atoms and 1 oxygen atom in each water molecule ( true or false )
True
Natures way of recycling out water is a process called the _________cycle
Hydrologic
Precipitation that trickles into the ground recharging _______is called percolation
Aquifers
Water is called the universal solvent and is not found pure in nature ( true or false)
True
Examples of organic matter found in water include bacteria, viruses, and ________
Protozoa
Examples of INORGANIC matter found in water include rock, sand, ______ and minerals
Metals
The physical characteristics of water are COLOR, TASTE, ODOR, TRMPERATURE and _________
Turbidity
True color is dissolved in water and it cannot be removed by ________
Filtration
The Red color caused by ______is an example of suspended or apparent color and it can be removed by filtration
Iron
The state recommends ______color in its or less for quality water
15
Consumers want drinking water to be palatable ________and have little or no odor.
Good Tasting
Taste and odor can come from organisms such as vegetation, bacteria, and _______ and from certain chemicals and metals.
Algae
The threshold odor number (TON) relates to the number of dilutions needed for the water to be ______
Odorless
The STATE recommends a TON of _______or less.
3
