History, 20.10.2020 20:01 Darkwynd11791
2. Which property could allow a student to easily separate sand and iron filings?
A. melting point
B. solubility
C. magnetism
D. boiling point
2. You are worried that a solid substance has dissolved in a beaker of water in a lab. What would be a way to separate the substance from the water?
A. Use a magnet to draw out the solid substance from the water.
B. Pass the solution through a filter to let the dissolved substance separate.
C. Boil the water away, leaving the substance behind in the beaker.
D. Pour the liquid along a rough surface that would catch the solid particles but not the water.
3. A beaker contains a mixture of sand and salt. A student adds water to dissolve the salt. Which processes can be used to separate out the sand and salt?
A. distillation to collect the sand and filtration to collect the salt
B. distillation to collect both the sand and the salt
C. filtration to collect both the sand and the salt
D. filtration to collect the sand and distillation to collect the salt
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2. Which property could allow a student to easily separate sand and iron filings?
A. melting point<...
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