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Chemistry: The Central Science, 14e (Brown, et al.)

Chapter 1 Introduction: Matter, Energy, and Measurement



1.1 Multiple-Choice Questions



1) What is the physical state in which matter has a specific volume but does not have a
specific shape?

A) gas

B) solid

C) liquid

D) salts

E) ice

Answer: C

Diff: 1 Var: 1 Page Ref: Sec. 1.2

LO: 1.2

GO: G2



2) The law of constant composition applies to ________.

A) solutions

B) heterogeneous mixtures

C) compounds

D) homogeneous mixtures

E) solids

Answer: C

Diff: 1 Var: 1 Page Ref: Sec. 1.2

,LO: 1.1

GO: G2



3) A combination of sand, salt, and water is an example of a ________.

A) homogeneous mixture

B) heterogeneous mixture

C) compound

D) pure substance

E) solid

Answer: B

Diff: 1 Var: 1 Page Ref: Sec. 1.2

LO: 1.1

GO: G2

,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

B) Tn, tin

C) Fe, iron

D) N, neon

E) B, bromine

Answer: C

Diff: 1 Var: 1 Page Ref: Sec. 1.2

LO: 1.2

GO: G2



6) Which one of the following elements is identified by the chemical symbol, Al?

A) tin

B) aluminum

C) mercury

, D) copper

E) lead

Answer: B

Diff: 2 Var: 1 Page Ref: Sec. 1.2

LO: 1.2

GO: G2



7) Which one of the following is often separated into its components by simple
techniques such as filtering or decanting?

A) heterogeneous mixture

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