Separation Techniques
Name 3 separation techniques
Traditional, magnetism, distillation, decantation, sieving, chromatography, filtration, distillation
Two or more substances that are mixed together but not chemically joined.
Mixture
The ability to dissolve in water
Solubility
Name the container used for winnowing
Koolamon
The chemical symbol for oxygen
O
Which technique utilizes a property of metals including iron, cobalt and nickel
Magnetic Separation
A mixture where the substances are evenly mixed and look the same throughout.
Homogeneous Mixture
Name 2 techniques that uses particle size to separate mixtures
Sieving, Filtration, Hand-Picking
A object used to separate flour when baking
Sieve
Type of substance made when two or more elements are chemically joined together.
Compound
Separates a soluble solid from a liquid by heating
Evaporation
What was the type of mixture you made for your practical
Heterogeneous
Sand stays behind on filter paper because it is this in water
Insoluble
Which technique uses a paper to separate solids from liquid
Filtration
H2O and CO2 are this type of substance
Compounds
Separates dyes in ink
Chromatography
A mixture where the different substances are not completely mixed
Heterogeneous mixture
The temperature at which a liquid turns to a gas.
Boiling Point
Name three pieces of equipment needed for evaporation
Lab Safety, Bunsen Burner, Heatproof mat, Dish, Tripod, gauze mat
Gold (Au) and Carbon (C) is this type of pure substance
Element
Which technique utilises boiling point for separation?
Distillation
Why can mixtures be separated by physical methods?
Not chemically bonded
This property explains why oil floats on water
Density
What object is placed into a beaker to help with decantation
Glass rod
The smallest unit of an element
Atom