20. Maida prepares a salad dressing. She observed that oil, and vinegar formed two
separate layers in the bowl. Which of the following can explain her observation? Which
statement is TRUE?
A. Vinegar is polar and more dense thus settles on the bottom of the bowl.
B. Vinegar is nonpolar and less dense than the oil, thus settles on the bottom of
the oil.
C. Vinegar is polar and less dense thus settles on the bottom of the bowl.
D. Vinegar and oil are both polar and more dense thus settle on the bottom of
the bowl.
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Answer:
A. Vinegar is polar and more dense thus settles on the bottom of the bowl.