Course

General Biology

Study Pack

Set 3 The Chemistry Of Water

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Question 1

(Multiple Choice)

Free
Sulfur is in the same column of the periodic table as oxygen but it is less electronegative than oxygen. Compared to water molecules, how will the H2S molecules behave?

A) have greater cohesion to other H2S molecules
B) have a greater tendency to form hydrogen bonds with each other
C) have a higher capacity to absorb heat for the same change in temperature
D) not be able to form hydrogen bonds with each other

Answer

Question 2

(Multiple Choice)

Free
Which of the following properties of water is responsible for the formation of raindrops?

A) cohesion property
B) adhesion property
C) high thermal energy
D) high kinetic energy

Answer

Question 3

(Multiple Choice)

Free
Which answer best describes why does ice float in liquid water?

A) The high surface tension of liquid water keeps the ice on top.
B) The ionic bonds between the molecules in ice prevent the ice from sinking.
C) Stable hydrogen bonds keep water molecules of ice farther apart than water molecules of liquid water.
D) The crystalline lattice of ice causes it to be denser than liquid water.

Answer