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90897
Solutions
Descrição
:( Science Mapa Mental sobre Solutions, criado por ELZI em 15-05-2013.
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science
science
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Mapa Mental por
ELZI
, atualizado more than 1 year ago
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ELZI
mais de 11 anos atrás
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Resumo de Recurso
Solutions
Solids dissolve in water to make a soultion
These solids are soluble
A solution is made from a solute (solid ) and a solvent (liquid)
When the solution is formed, the liquid is alway clear (transparent)
Soldis that do not dissolve are insoluble
When an insoluble solid is mixed with water, the water goes cloudy.
Sometimes the sold will sink to the bottom of the water
The Total mass of a solution equals the mass of solvent added tot he mass of solute
Water is most common solvent, it is easily available, cheap and dissolves a lot of different solutes
Other liquids can also be used as solvents. Solutes that are insoluble in water may dissolve in other solvents
If you keep adding a solvent, you will get to a point where no more will dissolve.
This turns into a saturated solution
More solid will dissolve if you add mor esolvent (e.g water) or increase the temperature
Filtering (Filtration)
Solid particles which do not dissolve from the liquid they are in
Examples - Tea leaves from a cup of tea, sand form a mixture of sand and water
Evaporation
Dissolved substances from a solution, boiling all the water away form a solution
Examples, salt form a salt solution
Distillation (Evaporaton followed by condensation)
The liquid from the dissolved solid in a solution or one liquid from a mixture of liquids
Exampels - Water from salt solution, alcohol from a mixture of alcohol and water
Chromatography
Individual colours from a mixture of colours
Examples - The colours found in ink, the food colouring found in fruit juice
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