Properties Of Water Question Preview (ID: 40308)


I Can Explain The Properties Of Water. TEACHERS: click here for quick copy question ID numbers.

Water is unique in that it expands when it freezes. How does this explain the ability of ice to float?
a) As it expands, the ice becomes more dense than liquid water.
b) As it expands, the ice becomes less dense than liquid water.
c) As it expands, it fills with hydrogen bubbles that make it float.
d) As it expands, it becomes heavier than liquid water.

Water is a polar molecule. This means that
a) The molecule has 2 oppositely charged ends.
b) The electrons are not evenly distributed between the hydrogen and oxygen atoms.
c) One end is more positive and the other is more negative.
d) All of these are correct.

The bond that forms between water molecules, causing cohesion, is called a(n)
a) ionic bond
b) covalent bond
c) hydrogen bond
d) nonpolar covalent bond

What causes water to stick to the sides of a glass graduated cylinder, forming a meniscus?
a) adhesion
b) cohesion
c) surface tension
d) covalent bonds

Water moves upward from the roots of a plant to the leaves through very thin tubes in the stem. This tendency of water to rise in a thin tube is called
a) cohesion
b) surface tension
c) polarity
d) capillary action

Water at the surface sometimes behaves like a film and can support a small amount of weight. This is called
a) adhesion
b) surface tension
c) capillary action
d) polarity

A student is doing a lab in which she counts the number of drops of water that she can place on a penny. She notices that the water seems to mound up on the penny. What property of water BEST describes its ability to mound up?
a) cohesion
b) adhesion
c) high specific heat
d) capillary action

Water is known as the universal solvent. What is a solvent?
a) A substance that will dissolve in something else.
b) A mixture involving a solution and a suspension.
c) A substance that will not dissolve.
d) A substance that dissolves something else.

A solution is made using salt and water. The salt in this solution is the _____________.
a) solute
b) solvent
c) sediment
d) suspension

You are making Kool-aid after school. You mix the Kool-aid powder with water to make it. Which of the following statements below is FALSE?
a) The Kool-aid and water mixture is an example of a solution.
b) The Kool-aid is the solute and the water is the solvent.
c) The Kool-aid is the solvent and the water is the solute.
d) The Kool-aid powder dissolves in the water.

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