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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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1)
A solid substance is undissolved in water. Which of the following methods is used for separating it?
Decantation
Evaporation
Filtration
Distillation
2)
Iron is separated from the mixture by:
winnowing
sedimentation
magnetic separation
Sieving
3)
Which of the following will not be attracted by a magnet?
Aluminium
Gold
Nickel
Cobalt
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, evaporation, dissolving.
Dissolving, filtration, evaporation
Filtration, dissolving, evaporation
Evaporation, filtration, dissolving
6)
How will you separate iron filings, ammonium chloride and sand from their mixture
Heating then magnetic separation
Sublimation
Magnetic separation then heating
None of these
7)
What separation technique is used to separate sand and gravel?
Sieving
Floatation
Decantation
Use of Magnets
8)
How could you separate iron filings from a mixture of iron and sulfur?
Using a magnet
By winnowing
By distillation
By adding water and filtering
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?
Magnetic separation, filtration, sublimation, evaporation
Magnetic separation, sublimation, filtration, evaporation
Sublimation, filtration, evaporation, magnetic separation
Sublimation, evaporation, filtration, magnetic separation
10)
Without magnets how to separate salt and iron fillings
Filtration
Evaporation of liquid to leave the remaining compound
Using a compass
Chromatography