Ground water has some minerals dissolved in it. If you heat this water, collect the vapor in another container, and then cool it
, you will get pure, or distilled, water. What makes this process a physical change?
It forms a new substance (minerals), which is a physical change.
It forms a new substance (water vapor), which is a physical change.
It changes the color of water, which is a physical change.
It changes the molecular structure of water, which is a physical change.
It separates dissolved substances, which is a physical change.
1 answer:
The answer would be the last one- it separates dissolved substances.
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