4.4 - Water as a solvent - Archive Flashcards
What is the difference between sewage and sewerage?
Sewage is the dirty water, while sewerage is the acual pipes and system.
What is the process of desalination?
Desalination is the process of removing salt and impurities to obtain pure, clean drinking water. It usually moves through a filter with microscopic holes to do this.
Is water pure or a mixture?
H20 is pure but tap water is not pure as it is mixed with other chemicals such a flouride.
What is flocculation?
Flocculation is where you add a chemical into water causing debris to clump together in the water to remove.
What is water fit to drink called?
Water fit to drink is called ‘potable water’, while water unfit to drink is called ‘unpotable water’
Why is water important to life?
Water is important to life because it keeps us alive without it our cells would not move.
What does water do in daily life?
Water is the solvent to many things at home like detergant, hair products and also in the drinks we like.
What does water do in the industry?
Water is the solvent in the industry to many things like foods, drinks, medicines and pecticides. Water can also be used for mining to disolve some of the debire.
What minerals does water contain?
Magnesium, calcium, sodium, fluoride, potassium, iron, and zinc.(Many Calm Sheep Flocks Play In Zoos)
Where does water come from?
Water comes from rivers, dams, lakes, reservoirs and ground water.
What are the steps to making water potable from water sources?
Flocculation, filtration, sterilisation, balancing pH, fluoridation. (Fat Farts Smell Bad Forever)
What are the 2 ways to remove and process sewage?
The sewerage system: Pipes that move the sewage to a cleaning plant
Septic tanks: process sewage underground
What are the steps in the treatment of sewage?
It goes through a pump, then into a screen, then into an aeration tank where chemicals are added, then a setting tank, a pebble filter, and a UV lamp
What is the term for the substance left in the filter paper after filtering a mixture?
Residue
