Karteikarten
Water and Ozone Flashcards
Karten in diesem Stapel (12)
- 1Hard waterWater that contains dissolved calcium and magnesium ions
- 2Temporary hard waterContains calcium and/or magnesium hydrogencarbonate. Temporary hardness can be removed by boiling
- 3Permanent hard waterContains chlorides and/or sulfates of calcium and magnesium
- 4Test for hard waterDoes not easily form a lather with soap
- 5LimescaleA hard white substance consisting chiefly of calcium carbonate, deposited by hard water on the inside of pipes and kettle
- 63 methods for softening water1. Boiling
2. Sodium carbonate (Washing powder)
3. Ion exchange resin - 7Soft waterForms a lather easily with soap
- 8CFC'sChlorofluorcarbons or CFC's are compounds that contain chlorine, fluorine and carbon
- 9OzoneOzone is a form of oxygen with the formula \(O_3\)
- 10Ozone layerThe ozone layer is the part of the stratosphere where ozone is found in the highest concentrations. It absorbs ultraviolet radiation, preventing most of it from reaching the ground.
- 11RadicalsMolecules or atoms with unpaired electrons
- 12Disadvantages of too much UV lightIncreased risk of
Sunburn
Skin caner
Cataracts
Accelerated ageing of skin
Informationen
- Beschreibung
- Der Nutzer hat seine Fachbereichs-Information gelöscht. Karteikarten am Water and Ozone Flashcards, erstellt von Gelöschter Nutzer am 31/07/2017.
- Erstellt von
- Gelöschter Nutzer
- Aufrufe
- 16
- Verlauf
-
- Erstellt von Niamh Ryan · 14 Jul 2017
- Kopiert von Niamh Ryan · 28 Jul 2017
- Kopiert von Niamh Ryan · 31 Jul 2017
- Bewertung