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 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. 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.

Question

GPT-4o mini · Answer

To separate a solid substance that has dissolved in water, the most effective method from the options provided is: Boil the water away, leaving the substance behind in the beaker.

This method works because dissolving a solid in water creates a solution, and if the solid is soluble, it will not be able to be filtered out. Boiling the water will cause the water to evaporate, leaving any dissolved solids behind (if they are not volatile).

The other options are not suitable for separating a dissolved substance from water:

Using a magnet would only work if the substance were magnetic, which is typically not the case for dissolved solids.
Filtration is used for separating insoluble solids from liquids, not for dissolved substances.
Pouring the liquid along a rough surface would not effectively separate dissolved solids from the water.