Physical Science, New York Edition

Chapter 15: Classification of Matter

Self-Check Quiz.-Eng.

1.
A substance is __________ .
A)always an element
B)always a compound
C)either an element or a compound
D)a mixture of compounds
2.
A(n) __________ is a substance in which all the atoms in it are alike.
A)compound
B)mixture
C)element
D)solution
3.
Which of the following is a compound?
A)air
B)blood
C)water
D)brass
4.
A(n) __________ is a substance in which all the exact combinations of elements are always the same.
A)synthetic element
B)compound
C)mixture
D)solution
5.
The silvery liquid used in thermometers, called mercury, is a(n) __________ .
A)compound
B)element
C)mixture
D)solution
6.
Which of the following is a substance?
A)milk
B)water
C)vinegar
D)cheese
7.
Which of the following is a homogeneous mixture?
A)milk
B)pond water
C)soft drink
D)gelatin
8.
Which of the following is a solution?
A)salt water
B)milk
C)muddy water
D)chlorine
9.
A __________ is a heterogeneous mixture that never settles.
A)solution
B)suspension
C)compound
D)colloid
10.
A mixture in which particles are so small they cannot be seen with a microscope is a __________ .
A)heterogeneous mixture
B)solution
C)suspension
D)element
11.
A(n) __________ is a material made up of two or more substances that can be separated by physical means.
A)element
B)compound
C)molecule
D)mixture
12.
The proportions of substances in a mixture __________ .
A)are always the same for each substance
B)are always equal for each substance in the mixture
C)can vary among the substances
D)never can be determined accurately
13.
Which of the following is a homogeneous mixture?
A)dry soup mix
B)cheese on a pizza
C)granite
D)concrete
14.
If you have to use a microscope in order to see the substances in a mixture, that mixture is __________ .
A)heterogeneous
B)homogeneous
C)a solution
D)microgeneous
15.
Which of the following is a colloid?
A)smoke
B)oxygen
C)vinegar
D)water
Physical Science - New York Edition
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