By means of filtration, one component can be obtained pure from an aqueous mixture of sodium chloride and?
A
potassium nitrate
B
sand
C
lead nitrate
D
sugar (glucose)
E
starch
Verified Correct Answer: B.
Chemical Principles & Mechanism
Use enough water to completely submerge the sand-salt mixture. Stir or shake the mixture for a few minutes so that the salt dissolves in the water.
The sand is insoluble, so it will remain visible.
Source: Myschool Past Questions Archive (Record #766)