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Phase Diagram

Total questions: 15

Worksheet time: 37mins

Name
Class
Date
1.
What state of matter is X?
a)
solid 
b)
liquid
c)
gas
d)
supercritical fluid
2.
What state of matter is Y?
a)
solid 
b)
liquid
c)
gas
d)
supercritical fluid
3.
What change occurs from E to C?
a)
sublimation
b)
freezing
c)
melting
d)
boiling
4.
What change occurs from C to D?
a)
condensation
b)
vaporization
c)
melting
d)
sublimation
5.
What is the normal boiling point of this substance?
a)
150 °C
b)
100 °C
c)
-50 °C
d)
0 °C
6.
What is the normal melting point of this substance?
a)
150 °C
b)
100 °C
c)
-50 °C
d)
0 °C
7.
At 0.10 atm, what phase(s) can exist?
a)
solid, liquid or gas
b)
liquid or gas
c)
solid only
d)
gas only
8.

What is the phase change that occurs from E to F?

a)

sublimation

b)

deposition

c)

melting

d)

freezing

9.

When ice cream is left out in the sun and begins to turn into a liquid, which process is it undergoing?

a)

Freezing

b)

Melting

c)

Vaporization

d)

Condensation

10.

What is the process called when water vapor in the air turns into liquid water on the outside of a cold beverage can?

a)

Freezing

b)

Melting

c)

Vaporization

d)

Condensation

11.

Dry ice is solid carbon dioxide. What is the process called when dry ice turns directly into carbon dioxide gas?

a)

Sublimation

b)

Deposition

c)

Melting

d)

Freezing

12.

What is the process called when liquid water is heated and turns into steam?

a)

Freezing

b)

Melting

c)

Vaporization

d)

Condensation

13.

What is the process called when dew forms on grass as the air temperature drops at night?

a)

Vaporization

b)

Condensation

c)

Sublimation

d)

Deposition

14.

When a popsicle changes from a solid to a liquid due to an increase in temperature, what is this process called?

a)

Freezing

b)

Melting

c)

Vaporization

d)

Condensation

15.

When snowflakes turn directly into water vapor without becoming liquid first, what is this process called?

a)

Freezing

b)

Melting

c)

Sublimation

d)

Condensation