Nature Of Water Question Preview (ID: 461)
Glenco Unit H.
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Water in gas form is called __________.
a) vapor
b) solid
c) liquid
d) ice
Heat is measured in units called __________.
a) joules
b) calories
c) liters
d) meters
When water is freezing, the temperature __________.
a) does not change
b) rapidly decreases
c) slowly decreases
d) slowly increases
Pure water freezes at __________ В° C
a) 0
b) 212
c) 100
d) 32
Oil floats on water because it is __________.
a) less dense
b) lighter
c) heavier
d) more dense
Which of the following is an example of density?
a) 4.3 В° C
b) 4.3 cm3
c) 4.3 g/cm3
d) 4.3 g
Which of the following statements about water is true?
a) Cold water is less dense than warm water.
b) Cold water has fewer molecules per unit of volume than warm water.
c) Warm water is less dense than cold water.
d) Warm water has more molecules per unit of volume than cold water.
Water can form drops because of __________.
a) cohesion
b) capillary action
c) specific heat
d) density
Which form of water has the lowest density?
a) ice
b) vapor
c) solid
d) liquid
Because of water's __________, it cools more slowly than sand.
a) specific heat
b) polarity
c) density
d) calories
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