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17 questions
Which of the following techniques can we use to separate homogeneous mixtures?
Crystallisation
Distillation
Evaporation
All of the above
Name the separation technique
Centrifuge
Crystallisation
Distillation
Evaporation
Name the separation technique
Distillation
Crystallisation
Evaporation
Condensation
Name the separation technique
Filtration
Evaporation
Centrifugation
Distillation
Name the separation technique
Filtration
Evaporation
Distillation
Separation
True or false: Magnets can be used to separate iron filings from sand
True
False
In a salt water solution ...
Salt is the solute and water is the solvent
Salt is the solvent and water is the solute
True or false: Sieving can be used to separate a mixture with two solid components of different sizes
True
False
True or false: Decanting is a technique that can be used to separate a salt water solution
True
False
What is the basis for separating the components of a mixture through distillation?
freezing point of the substances
room temperature
decaying period
boiling point of the substances
The image shows a mixture of concrete nails and saw dusts. What technique is best to use to separate the nails from the saw dusts?
sieving
chromatography
decantation
magnetic separation
Water is the univeral ____.
solute
solvent
solution
solute + solvent =
solution
equation
Mixture of sugar and hot water.
Homogeneous
Heterogeneous
Homogeneous
Heterogeneous
Homogeneous
Heterogeneous
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