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Intro To Chemistry - Chapter 1-3
Test Description: Review for Chapter 1-3
Instructions: Answer all questions to get your test result.
1) An element's ability to react with acid is an example of
A
chemical property
B
melting point
C
pure substance
D
physical property
2) Which of the following is NOT an example of a physical change?
A
the melting of a Popsicle
B
the shaping of a gold bar
C
the sanding of a piece of wood
D
the explosion of fireworks
3) What is the best way to tell if a chemical change has taken place?
A
a mixture separates into layers
B
the matter changes color
C
the change is reversible
D
a composition change
4) Which o fthe following is NOT the result of a chemical change?
A
soured milk
B
rusted metal
C
ground flour
D
digested food
5) At higher temperatures,
A
a gas contracts
B
gas particles bump into walls less often
C
particles in an object move faster
D
particles in an object have less energy
6) When exercising, your body loses moisture in the form of sweat. What process happens to the sweat on your body?
A
vapor pressure
B
condensation
C
sublimation
D
evaporation
7) The reverse of condensation is
A
evaporation
B
freezing
C
sublimation
D
boiling
8) What is formed when particles of two or more substances are distributed evenly among each other
A
element
B
suspension
C
compound
D
solution
9) How is a mixture different from a compound?
A
Each substance in a mixture keeps its characteristics properties
B
Mixtures have two or more components
C
Solids, liquids, and gases can form mixtures
D
Mixtures are commonly found in nature
10) Which of the following is an example of a homogenous mixture?
A
milk
B
trail mix
C
pizza
D
salad dressing
*select an answer for all questions
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