AP BIOLOGY

BIOCHEMISTRY

PROPERTIES OF WATER

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A carefully placed paperclip can float on top of water due to the ____ of water
A
high specific heat
B
density
C
surface tension
D
evaporative cooling
Explanation: 

Detailed explanation-1: -It seems to defy the laws of physics, but a paper clip made of steel can indeed float on the water surface. The high surface tension helps the paper clip-with much higher density-float on the water. The cohesive forces between liquid molecules are responsible for the phenomenon known as surface tension.

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