Flashcards
Water and Ozone Flashcards
Flashcards do conjunto (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
Informações
- Descrição
- O usuário eliminou as informações de disciplina FlashCards sobre Water and Ozone Flashcards, criado por Usuário eliminado em 31-07-2017.
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- Criado por Niamh Ryan · 14 jul 2017
- Copiado por Niamh Ryan · 28 jul 2017
- Copiado por Niamh Ryan · 31 jul 2017
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