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Class 6
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Separate three Components from Iron, Sand and Common Salt Mixture
Separate three Components from Iron, Sand and Common Salt Mixture
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Theory
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1)
A solid substance is undissolved in water. Which of the following methods is used for separating it?
Distillation
Decantation
Filtration
Evaporation
2)
Iron is separated from the mixture by:
Sieving
winnowing
sedimentation
magnetic separation
3)
Which of the following will not be attracted by a magnet?
Aluminium
Nickel
Cobalt
Gold
4)
The best way to separate a mixture of sand and iron filings is by the method of:
Filtration
Using a compass
Sedimentation
Magnetic separation
5)
Correct order to separate salt from sand
Filtration, dissolving, evaporation
Evaporation, filtration, dissolving
Dissolving, filtration, evaporation
Filtration, evaporation, dissolving.
6)
How will you separate iron filings, ammonium chloride and sand from their mixture
None of these
Heating then magnetic separation
Magnetic separation then heating
Sublimation
7)
What separation technique is used to separate sand and gravel?
Floatation
Use of Magnets
Decantation
Sieving
8)
How could you separate iron filings from a mixture of iron and sulfur?
By distillation
By adding water and filtering
Using a magnet
By winnowing
9)
You are provided with a mixture containing sand, iron filings, ammonium chloride and sodium chloride. The correct order of procedures you would use to separate these constituents from the mixture?
Sublimation, filtration, evaporation, magnetic separation
Magnetic separation, filtration, sublimation, evaporation
Sublimation, evaporation, filtration, magnetic separation
Magnetic separation, sublimation, filtration, evaporation
10)
Without magnets how to separate salt and iron fillings
Filtration
Evaporation of liquid to leave the remaining compound
Using a compass
Chromatography