Techniques
This separation technique is used to separate salt and water
Evaporation
What can be described as a single substance not mixed with anything else
pure mixture
When separating sand water the sand left in the funnel is called the?
residue
Why is the separatory funnel coned shaped?
To reduce friction
Can you use sieving to separate water and vinegar?
NO!
Sieving can mostly separate solids of different sizes
How do we separate sand and water?
Filteration
Brass is a mixture of which two metals?
copper and zinc
The cooled vapor that condenses into a pure liquid during distillation is called the
distillate
How do we separate the seeds and pulp from the freshly squeezed orange juice?
Filtration
Pure water can be separated from sewage water using which technique
distillation
Sarah wants to separate mineral oil that she accidentally poured water on. Which technique should she use?
Separatory Funnel
Which of the following is not considered a colloid: fog, smoke, styrofoam, cheese, paint
Paint
Fresh water can be obtained from sea water for safe drinking using which method
Simple distillation
The starting line of a chromatograph must be drawn with what?
Pencil
When our clothes are wet, how do we separate the water from the clothes in the machine?
Centrifuge
David recently started working at Smirnoff and is making Absolute Vodka from a container of grape ethanol and water. Which technique will he use?
Fractional Distillation
List the three factors affecting solubility of solids?
Temperature, Shaking/Agitation, Particle Size/Surface Area
Which component do you expect to reach the condenser in the fractionating column during distillation. Is it toluene 110C or hexane 69C?
Hexane 69C
The reason iron cannot be separated from iron sulfide is because
It is now a compound
True or False
We cannot separate mixtures.
False!
Yes, we can with filtration, separation, and sieving!
George accidentally knocked over some iodine into a container with table salt thinking it could help with his goiter. What technique can he use to separate them?
Sublimation
Amanda and Edward are both mixing lemonade. When both were done mixing they tasted each others mixtures. Amanda exclaimed " Dis too sweet!" And David exclaimed "Dis fresh bad!" what is the technical term both wanted to use
Too sweet - Supersaturated
Fresh bad - unsaturated
Which technique is used to separate out the components of a mixture by passing it in through a medium in which the components move at different rates.
Chromatography
How are the particles of a solid arranged?
Tightly packed together with little or no movement.
Name five separation techniques
evaporation, chromatography, filtration, distillation, and crystallization`