The pure substances are classified in __________ mixtures
homogeneous
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True or False: You can use your hands or tweezers to separate salt from water.
False
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What type of mixture is this?
Heterogeneous
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Milk is an example of...
Homogeneous mixture
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True or False: If you combine metal shavings with sand, there is NO way you can separate them.
False
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What is the name of this separation method?
Chromatography
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thief
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fairy
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rocket
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thief
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trap
No points!
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gold
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rocket
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baam
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True or False: The best way to separate rocks and sand is to use a sieve to sift the sand, this will allow the sand to fall through and the rocks to stay.
True
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This separation method is called...
Filtration
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If we dissolve salt in water and heat the water, it becomes a vapour and leaves the salt. This is called
Evaporation
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True or False: A mixture must have at least two different materials.
True
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boom
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shark
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fairy
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thief
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15
Which method can you use to separate sand and iron filings?
