AP BIOLOGY

BIOCHEMISTRY

PROPERTIES OF WATER

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the reason why oil and water don’t mix?
A
Oil is too heavy to mix with water
B
Water can only mix with polar molecules
C
Water can only mix with non-polar molecules
D
Oil is too light to mix with water
Explanation: 

Detailed explanation-1: -Molecules of oil are bigger than that of water and therefore do not mix easily. On the other hand molecules of water are polar, i.e. it is positively charged at one end and negatively charged at the other whereas oil molecules do not have; as a consequence they tend to stay away from water molecules.

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