Flashcards
Mixing and Separating
Cards in this deck (10)
- 1What is a solute?A substance that is being dissolved
- 2What is a solvent?A liquid that dissolves the solute
- 3What are two ways you can dissolve more solute?1. stirr the solution
2. heat the solution - 4How could you separate a mixture containing marbles, water and sawdust?You could pick out the marbles by hand, then filter the sawdust out.
- 5How would you separate dissolved salt from water?You could heat the solution until the water evaporates, leaving the salt behind.
- 6How could you separate a solid dissolved in a liquid without loosing the liquid?You could use the distillation method, which includes using a delivery tube and ice.
- 7How could you separate two liquids with different boiling points?You could use the Liebig Condenser.
- 8What are two ways that can speed up the process of evaporation?1. increase the temperature
2. increase the surface area - 9What is chromatography used for?Separating a mixture of two or more coloured pigments
- 10How/why does chromatography work?Chromatography works because different pigments have different solubilities
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- Flashcards on Mixing and Separating, created by 14030 on 11/11/2014.
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