A scientist is working in a lab and accidentally combines two liquids that quickly form a solution. Which process could be used to separate the two liquids?(1 point)
Responses
waiting for the two liquids to separate
waiting for the two liquids to separate
heating the liquids and letting one boil away first
heating the liquids and letting one boil away first
passing the liquids through a filter to collect one of them
passing the liquids through a filter to collect one of them
collecting one of the liquids with a spoon
heating the liquids and letting one boil away first
Which property could allow a student to easily separate sand and iron filings?(1 point)
Responses
solubility
solubility
boiling point
boiling point
magnetism
magnetism
melting point
magnetism
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?(1 point)
Responses
Boil the water away, leaving the substance behind in the beaker.
Boil the water away, leaving the substance behind in the beaker.
Use a magnet to draw out the solid substance from the water.
Use a magnet to draw out the solid substance from the water.
Pass the solution through a filter to let the dissolved substance separate.
Pass the solution through a filter to let the dissolved substance separate.
Pour the liquid along a rough surface that would catch the solid particles but not the water.
Boil the water away, leaving the substance behind in the beaker.
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?(1 point)
Responses
distillation to collect both the sand and the salt
distillation to collect both the sand and the salt
filtration to collect the sand and distillation to collect the salt
filtration to collect the sand and distillation to collect the salt
filtration to collect both the sand and the salt
filtration to collect both the sand and the salt
distillation to collect the sand and filtration to collect the salt