Responses
Use a magnet to draw out the solid substance from the water.
Use a magnet to draw out the solid substance from the water.
Boil the water away, leaving the substance behind in the beaker.
Boil the water away, leaving the substance behind in the beaker.
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.
1 answer
The correct response is:
Boil the water away, leaving the substance behind in the beaker.
This method allows the water to evaporate, leaving the solid substance behind if it is not volatile.
The option about using a magnet applies only to magnetic substances, and filtering typically separates insoluble solids from liquids rather than dissolved substances.
