Water Properties: check your learning

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CHECK YOUR LEARNING

WATER PROPERTIES

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The Chemical Foundation of Life

Due to its polarity, water molecules:

A) Repel ions.

B) All of these.

C) Attract lipids.

D) Attract other water molecules.


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Due to its polarity, water molecules:

A) Repel ions.

B) All of these.

C) Attract lipids.

D) Attract other water molecules.

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Why is ice able to float on water while other solids cannot float on

their liquid forms?

A) The orientation of hydrogen bonds pushes molecules closer together,

making ice denser than water.

B) The kinetic energy in other solids increases with temperature, making

them denser than ice.

C) The orientation of hydrogen bonds pushes molecules farther apart,

making ice less dense than water.

D) The molecules in other solids are packed less tightly, making them

denser than ice.




Why is ice able to float on water while other solids cannot float on

their liquid forms?

A) The orientation of hydrogen bonds pushes molecules closer together,

making ice denser than water.

B) The kinetic energy in other solids increases with temperature, making

them denser than ice.

C) The orientation of hydrogen bonds pushes molecules farther apart,

making ice less dense than water.

D) The molecules in other solids are packed less tightly, making them

denser than ice.






Which property of water helps to maintain body temperature?

A) lower density of ice than water

B) polarity

C) high specific heat capacity

D) cohesion




Which property of water helps to maintain body temperature?

A) lower density of ice than water

B) polarity

C) high specific heat capacity

D) cohesion






A molecule with a high heat of vaporization will have a high:

A) solubility

B) density

C) melting point

D) boiling point




A molecule with a high heat of vaporization will have a high:

A) solubility

B) density

C) melting point

D) boiling point






Which of these is water able to dissolve?

A) fats

B) salts

C) All of these

D) oils




Which of these is water able to dissolve?

A) fats

B) salts

C) All of these

D) oils






Which property of water allows water droplets to form on a

surface?

A) adhesion

B) cohesion

C) solubility

D) polarity




Which property of water allows water droplets to form on a

surface?

A) adhesion

B) cohesion

C) solubility

D) polarity






Which of the following is acidic?

A) NaOH (aq)

B) water

C) blood

D) H2CO3 (aq)




Which of the following is acidic?

A) NaOH (aq)

B) water

C) blood

D) H2CO3 (aq)






What buffers blood to maintain its pH between 7.35 to 7.45?

A) carbon dioxide

B) carbonic acid and bicarbonate

C) oxygen pressure

D) water




What buffers blood to maintain its pH between 7.35 to 7.45?

A) carbon dioxide

B) carbonic acid and bicarbonate

C) oxygen pressure

D) water




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Water Properties: check your learning