Flashcards
Water and Ozone Flashcards
Cards in this deck (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
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- User has deleted their subject information Flashcards on Water and Ozone Flashcards, created by Deleted user on 31/07/2017.
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- Created by Niamh Ryan · Jul 14, 2017
- Copied by Niamh Ryan · Jul 28, 2017
- Copied by Niamh Ryan · Jul 31, 2017
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