,4) A small amount of salt dissolved in water is an example of a ________.
A) homogeneous mixture
B) heterogeneous mixture
C) compound
D) pure substance
E) solid
Answer: A
Diff: 1 Var: 1 Page Ref: Sec. 1.2
LO: 1.2
GO: G2
5) Which one of the following has the element name and symbol correctly matched?
A) S, sodium
M
B) Tn, tin
C) Fe, iron
ED
D) N, neon
E) B, bromine
Answer: C
Diff: 1 Var: 1 Page Ref: Sec. 1.2
CO
LO: 1.2
GO: G2
NN
6) Which one of the following elements is identified by the chemical symbol, Al?
A) tin
B) aluminum
C) mercury
OI
D) copper
E) lead
Answer: B
SS
Diff: 2 Var: 1 Page Ref: Sec. 1.2
LO: 1.2
GO: G2
EU
7) Which one of the following is often separated into its components by simple techniques such
as filtering or decanting?
A) heterogeneous mixture
R
B) compounds
C) homogeneous mixture
D) elements
E) solutions
Answer: A
Diff: 2 Var: 1 Page Ref: Sec. 1.2
LO: 1.1
GO: G2
, 8) Which states of matter are significantly compressible?
A) gases only
B) liquids only
C) solids only
D) liquids and gases
E) solids and liquids
Answer: A
Diff: 1 Var: 1 Page Ref: Sec. 1.2
LO: 1.2
GO: G2
9) For which of the following, can the composition vary?
A) pure substance
M
B) element
C) both homogeneous and heterogeneous mixtures
ED
D) homogeneous mixture
E) heterogeneous mixture
Answer: C
Diff: 2 Var: 1 Page Ref: Sec. 1.2
CO
LO: 1.1
GO: G2
NN
10) If matter is uniform throughout and cannot be separated into other substances by physical
means, it is ________.
A) a compound
B) either an element or a compound
OI
C) a homogeneous mixture
D) a heterogeneous mixture
E) an element
SS
Answer: B
Diff: 2 Var: 1 Page Ref: Sec. 1.2
LO: 1.1
EU
GO: G2
11) An element cannot ________.
A) be part of a heterogeneous mixture
R
B) be part of a homogeneous mixture
C) be separated into other substances by chemical means
D) interact with other elements to form compounds
E) be a pure substance
Answer: C
Diff: 2 Var: 1 Page Ref: Sec. 1.2
LO: 1.1
GO: G2
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