Chapter 2 Separation Techiniques Flashcards
What are properties of a pure substance
It has fixed melting point
It has a fixed boiling point
Has a specific density
Name two types of solvent
Inorganic solvent
Organic solvent
What’s fraction distillation
Separation of liquid with different boiling point
What’s flotation
Used in separating of immiscible liquid
What can we use to separate iron and wood shavings
Magnetism
How can u determine the purity of a substance
By boiling point
By melting point
By its density
What method used to separate sodium chloride from copper
Crystallization
What is used to manufacture plastic for making basket
Polymerization
What’s the RF value of solute in chromatography
This is the distance traveled by a given component divided by the distance travelled by a solvent front
What is used to separate oil from water
Separating funnel
What’s a solution
A mixture of a solvent and a solute
Name one organic solvent
Water
What’s the application use of fractional distillation
Separation of oxygen and nitrogen from liquid
Separation of crude oil
Making of alcohol
Name one example which flotation can be used to separate the two
Cooking oil and oil
What’s filtration used for
Liquid from an insoluble liquid
Name a solvent which would dissolve a salt like sodium chloride
Water
What is chromatography
Used to separate dyes
What is used to produce carbon dioxide from carbon
Combustion
What are commercial applications of chromatography
Identifying flavoring components in food staffs
Separating pigment of plants
Separation of antibiotics drugs
Separation amino acid from proteins
What’s a solvent
Is a liquid which dissolve in a solvent
What’s crystallization
Used to separate mixture of those that not form crystal
What’s centrifugation
Used to separate liquid from immiscible liquid
What is used separate water and maize
Filtration
What’s a compound which is able to dissolve in wax
Kerosine or paraffin
How can you obtain salt from sea water
Crystallization
What can we separate using distillation
Mixture of solute and a solvent
What is used to separate salt from paraffin
Evaporation
What’s a solute
A solid which dissolve in a solvent
Name one example of crystallization
Copper II sulphate and lead chloride
What is used to measure volume of water accurate 25cm
Pipette
How can a student get salt crystals from maize meal and salt
Frittering, evaporation and crystallization
How can u obtain water from sea water
Distillation
What’s the use of simple distillation
Medicines
Car batteries
What can we use separate sulphur from iron fillings
Magnetism
What the other name for sodium chloride
Common salt known as table salt
What’s simple distillation
Is a technique used separate a solute from a solvent
What is sublimation
Used to separate substances which sublime from that does not sublime
What measures volume of a liquid having 37cm
Burette
What properties enable substance to be separated by fraction distillation
Difference in boiling points
How can u obtain sand from sea water
Filtration
Why is it suitable to use a pencil to mark the baseline in chromatography instead of ink
Because ink contain mixture of dyes and can disturb the reaction than a pencil
What’s the use of distilled water
Car batterie
In hospital making medicine
Laboratories
What’s the function of lie berg condenser
To cool down water vapor
Name an example of a sublimation reaction
Ammonia chloride and sodium oxide
What is chromatography
Separation of dyes
What is segmentation
Used separate insoluble solid from a liquid
What’s magnetism
Used to separate magnets from non magnets
