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WorksheetsMethods of separation
Total questions: 35
Worksheet time: 21mins
which method of separation is this ?
decantation
sedimentation
winnowing
sieving
what is the term used for lab equipment?
tools
filteraters
apparatus
funnels
the parts of the mixture have different density so they separate.
some parts of the mixture are small enough to pass through the small holes in the filter paper and some aren't.
some of the particles in the mixture are attracted to the filter paper so it stays behind.
some parts of the mixture boil faster than others so they evaporate first.
Iron fillings can be separated from iron and sandmixture by
sedementation
heating
magnetic attraction
seiving
method of handpicking can be used if the impurity is __________________ enough to be picked out by hand
large
small
hot
cold
WHICH OF THE FOLLOWING PICTURE SHOW SEIVING
What separation method is used to separate substances by their boiling point?
Filtration
Evaporation
Crystallization
Distillation
Sofia separated a mixture (soil and water). At the end, she had clean water using a separation technique. What is the name of the separation technique she used?
Evaporation
Filtration
Separating funnel
Sieving
What is the name of the separation technique should a student use to separate the iron filings?
Magentism
Filtration
Sieving
Separating funnel
Distillation is used to separate ______.
a liquid from its solution.
an insoluble solid from its solution.
a soluble solid from its solution.
Distillation is made up of ___.
melting, then condensation
condensation, then evaporation
boiling, then condensation
condensation, then boiling
What is 5?
cooling tube
condenser
distillate
water pump
A mixture of water and alcohol is being separated. Water has a boiling point of 100oC and alcohol has a boiling point of 78oC. Which will be found in the round flask (8) first?
water
ethanol
What is A?
solute
solvent
solution
solid
What is C?
solute
solvent
solution
solid
What is B?
solute
solvent
solution
solid
Which of the following is the best method of obtaining pure water from seawater?
Separating funnel
sedimentation
Simple distillation
Filtration
During the purification process, filtration separates the
Solid purities
Solid impurities
Ink can be separated by a method of -----------------------------------------------
distillation
filtration
chromatography
sedimentation
On the chromatogram given, the colour -------------- is a mixture.
red
orange
green
black
A pure substance shows ------------------ spot on chromatogram
0
1
2
3
A substance is soluble if it can be dissolved.
In paper chromatography, the most soluble solute _____________________ .
does not move from the start point
stays closest to the start point
travels furthest away from the start point
can be found in the middle of the chromatogram
What is the correct image of paper chromatography???
What is chromatography?
A way to see pretty colors
A laboratory technique used to separate a mixture.
A form of distillation
Two or more substances that are mixed together but not chemically combined create a...
solvent
compound
mixture
What molecules move up the paper to carry the different colors of ink?
color
fat
water
