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WorksheetsPhase Diagram and Heating Curve Quiz
Total questions: 10
Worksheet time: 11mins
Name
Class
Date
1.
In which region(s) does temperature remain constant?
a)
Region 1, 3, & 5
b)
Region 2 & 4
c)
Region 1 only
d)
Region 1 & 2
2.
In which region(s) does temperature increase?
a)
Region 1, 3, & 5
b)
Region 2 & 4
c)
Region 1 only
d)
Region 1 & 2
3.
This curve indicates what about the heat energy?
a)
heat energy is being added or absorbed
b)
heat energy is being removed
4.
Describe the substance between letters D and E.
a)
Gas
b)
Liquid
c)
Melting
d)
Evaporating
5.
The melting point of the sample is
a)
-60 ºC
b)
-100 ºC
c)
60 ºC
d)
100 ºC
6.
What state of matter is X?
a)
solid
b)
liquid
c)
gas
d)
supercritical fluid
7.
What change occurs from E to C?
a)
sublimation
b)
freezing
c)
melting
d)
boiling
8.
Water exists as a _____________ at 3 mmHg and 50 °C.
a)
solid
b)
liquid
c)
gas
d)
supercritical fluid
9.
Which statement is true for carbon dioxide at -60 °C?
a)
All three phases are possible.
b)
It can exist as a solid or a gas, depending on pressure.
c)
It is a solid.
d)
With enough pressure it can be melted.
10.
At 10 atm, dry ice is heated from -100 °C to 30 °C. What changes occur?
a)
freezing, then condensation
b)
melting only
c)
sublimation only
d)
melting, then boiling
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