WorksheetsProperties of Water
Total questions: 12
Worksheet time: 7mins
Name
Class
Date
1.
Some adult insects are unable to swim but are able to walk on the top of water. What characteristic of water enables these insects to walk on the top of water?
a)
heat capacity
b)
solvent properties
c)
solute properties
d)
surface tension
2.
Which term refers to water's attraction to other substances that have full or partial electrical charges?
a)
polarity
b)
adhesion
c)
cohesion
d)
density
3.
Ice floats when placed in a liquid water because:
a)
ice is less dense than the liquid
b)
ice is more dense than the liquid
c)
ice is soluble
d)
water is adhesive
4.
A general definition of cohesion is the attraction of:
a)
particles of the same substance
b)
particles of a different substance
c)
particles of both the same and different substances
d)
particles of neither the same or different substances
5.
Which term refers to water having partial positive and a partial negative charge?
a)
cohesion
b)
surface tension
c)
polarity
d)
adhesion
6.
Which term refers to water's attraction to different substances?
a)
polarity
b)
cohesion
c)
surface tension
d)
adhesion
7.
Which terms refers to the fact that water can dissolve polar molecules like sugar or ionic substances like salt?
a)
surface tension
b)
good solvent
c)
polarity
d)
adhesion
8.
Which part(s) of a water molecule has/have a partial positive charge?
a)
the two hydrogen (H) atoms
b)
the two oxygen (O) atoms
c)
the one hydrogen (H) atom
d)
the one oxygen (O) atom
9.
Imagine a solid object is placed at the bottom of a pool and floats when it is released. The objects floats in water because_________.
a)
the water's cohesion creates surface tension
b)
the object is more dense than the water
c)
the water is more dense than the solid object
d)
the water is less dense than the solid object
10.
Which of the following is LEAST likely to dissolve in water?
a)
nonpolar fats and oils
b)
polar sugar molecules
c)
salt made of a positive sodium ion and a negative chloride ion
d)
all of the substances will dissolve easily in water
11.
Which characteristic of water will allow a paperclip to remain floating on water when the paperclip is gently placed on top of the water?
a)
adhesion
b)
surface tension
c)
solvent properties
d)
nonpolar
12.
Which part(s) of a water molecule has/have a partial negative charge?
a)
the two hydrogen (H) atoms
b)
the two oxygen (O) atoms
c)
the one hydrogen (H) atom
d)
the one oxygen (O) atom
100 %
