Rock salt contains salt and sand mixed together. The separation procedure for removing the sand from the salt is shown below. step 1 Break up the rock salt, add warm water, and stir. step 2 Pass the mixture through filter paper in a funnel. step 3 Remove the water by evaporation to form salt crystals. Which statement about this procedure is correct?
- AThe filtrate in step 2 is pure water.
- BThe residue in step 2 is pure crystals of salt.
- CThe solute is salt.
- DThe solvent is a mixture of salt and water.