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States Of Matter
Test Description: States of matter and phase changes
Instructions: Answer all questions to get your test result.
1) When ice melts
A
a phase change occurs from a solid phase to liquid phase
B
the water changes from a crystalline solid to a liquid
C
all answers are correct
D
an endothermic process occurs which requires energy
2) When water freezes
A
an exothermic process occurs where energy is lost from ice to the surroundings
B
the liquid water changes from a random structure to a crystalline solid
C
all answers are correct
D
a phase change occurs from a liquid phase to a solid phase
3) Which statement is not true.
A
solids and liquids have similar densities because particles of solids and liquids both touch
B
depending upon the temperature, water can exist in solid, liquid or gas states
C
to change from a solid to a liquid requires energy
D
in a solid the molecules have no motion, and no energy.
4) Lightning is best classified as :
A
liquid
B
solid
C
plasma
D
gas
5) The Bose- Enstein phase of matter occurs closest to what temperature?
A
freezing point of water
B
boiling point of water
C
10,000 degrees F
D
absolute zero
6) Gases have
A
no definite volume or shape
B
a definite volume, but are able to change their shape by flowing.
C
atoms that do not move at all
D
a definite volume and shape
7) A student is given a sample of an unknown liquid to test in a laboratory. Which of the following physical properties will be most useful to determine if the liquid is water?
A
The color of the liquid.
B
The mass of the liquid.
C
The volume of the liquid.
D
The boiling point of the liquid.
8) Which of the following is a chemical property of matter?
A
Density
B
Magnetism
C
Melting
D
Flammability
9) When salt dissolves in water, the water is the
A
solution.
B
solubility.
C
solute.
D
solvent.
10) The temperature at which a substance changes from a liquid to a gas.
A
Freezing point
B
Condensation point
C
Melting point
D
Boiling point
*select an answer for all questions
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