What can be said about drinking water that is 99.9999 percent free of some poison, such as a pesticide?
A) In each 10,000 parts of the contaminated water there is one part pesticide and 9999 parts pure water.
B) In each 100,000 parts of the contaminated water there is one part pesticide and 99,999 parts pure water.
C) The ratio of water molecules to pesticide molecules in the glass is so great that drinking the water is not problematic.
D) The water is highly contaminated and surely not fit to drink.
Question 2
If you filter sea water to remove all of the particles you would be left with a clear
A) homogeneous mixture called a solution.
B) homogeneous mixture called a suspension.
C) heterogeneous mixture called a solution.
D) heterogeneous mixture called a suspension.
E) pure liquid.
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