Question

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

Answer 1

magnetism

Answer 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?(1 point)
Responses

Pour the liquid along a rough surface that would catch the solid particles but not the water.
Pour the liquid along a rough surface that would catch the solid particles but not 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.

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.

Answer 3

Boil the water away, leaving the substance behind in the beaker.

Answer 4

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

Answer 5

filtration to collect the sand and distillation to collect the salt