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Chapter 1 Matter, Measurement, and Problem Solving
Multiple Choice Questions
1) Molecules can be described as
A) mixtures of two or more pure substances.
B) mixtures of two or more elements that has a specific ratio between components.
C) two or more atoms chemically joined together.
D) heterogeneous mixtures.
E) homogeneous mixtures.
Answer: C
Diff: 1 Page Ref: 1.1
2) Give the composition of water.
A) two hydrogen atoms and two oxygen atoms
B) one hydrogen atom and one oxygen atom
C) two hydrogen atoms and one oxygen atom
D) one hydrogen atom and two oxygen atoms
Answer: C
Diff: 1 Page Ref: 1.1
3) Give the composition of hydrogen peroxide.
A) two hydrogen atoms and two oxygen atoms
B) one hydrogen atom and one oxygen atom
C) two hydrogen atoms and one oxygen atom
D) one hydrogen atom and two oxygen atoms
Answer: A
Diff: 1 Page Ref: 1.1
4) Which of the following represents a hypothesis?
A) Sodium reacts with water to form sodium hydroxide and hydrogen gas.
B) Nitrogen gas is a fairly inert substance.
C) Nickel has a silvery sheen.
D) When a substance combusts, it combines with air.
E) When wood burns, heat is given off.
Answer: D
Diff: 1 Page Ref: 1.2
5) Which of the following represents a valid hypothesis?
A) Neon does not react with oxygen.
B) Sodium metal reacts violently with water.
C) Lead is soft and malleable.
D) Oxygen is a gas at room temperature.
E) Metals tend to lose electrons.
Answer: E
Diff: 1 Page Ref: 1.2
1
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6) The statement, "In a chemical reaction, matter is neither created nor destroyed" is called
A) the Law of Conservation of Mass.
B) Dalton's Atomic Theory.
C) the Scientific Method.
D) the Law of Multiple Proportions.
E) the Law of Definite Proportions.
Answer: A
Diff: 1 Page Ref: 1.2
7) Dalton's Atomic Theory states
A) that all elements have several isotopes.
B) that matter is composed of small indestructible particles.
C) that the properties of matter are determined by the properties of atoms.
D) that energy is neither created nor destroyed during a chemical reaction.
E) that an atom is predominantly empty space.
Answer: B
Diff: 1 Page Ref: 1.2
8) The Scientific Method
A) is just a theory.
B) is a strict set of rules and procedures that lead to inarguable fact.
C) isn't used much in modern chemistry.
D) is based on continued observation and experiment.
E) is a framework for proving an argument you know to be true.
Answer: D
Diff: 1 Page Ref: 1.2
9) Which of the following statements is TRUE?
A) A scientific law is fact.
B) Once a theory is constructed, it is considered fact.
C) A hypothesis is speculation that is difficult to test.
D) An observation explains why nature does something.
E) A scientific law summarizes a series of related observations.
Answer: E
Diff: 1 Page Ref: 1.2
10) Identify a liquid.
A) definite volume and definite shape
B) definite volume and no definite shape
C) no definite shape and definite volume
D) no definite shape and no definite volume
Answer: B
Diff: 1 Page Ref: 1.3
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11) Identify a solid.
A) definite volume and definite shape
B) definite volume and no definite shape
C) no definite shape and definite volume
D) no definite shape and no definite volume
Answer: A
Diff: 1 Page Ref: 1.3
12) Identify a gas.
A) definite volume and definite shape
B) definite volume and no definite shape
C) no definite shape and definite volume
D) no definite shape and no definite volume
Answer: D
Diff: 1 Page Ref: 1.3
13) Which of the following statements about crystalline and amorphous solids is TRUE?
A) A crystalline solid is composed of atoms or molecules arranged with long-range repeating order.
B) An example of a crystalline solid is glass.
C) An example of an amorphous solid is table salt (NaCl).
D) An amorphous solid is composed of atoms or molecules with a majority of its volume empty.
E) All of the above statements are TRUE.
Answer: A
Diff: 1 Page Ref: 1.3
14) Which of the following statements about the phases of matter is TRUE?
A) In both solids and liquids, the atoms or molecules pack closely to one another.
B) Solids are highly compressible.
C) Gaseous substances have long-range repeating order.
D) There is only one type of geometric arrangement that the atoms or molecules in any solid can adopt.
E) Liquids have a large portion of empty volume between molecules.
Answer: A
Diff: 1 Page Ref: 1.3
15) A substance that can't be chemically broken down into simpler substances is
A) a homogeneous mixture.
B) an element.
C) a heterogeneous mixture.
D) a compound.
E) an electron.
Answer: B
Diff: 1 Page Ref: 1.3
4
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Test Bank
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Chapter 1 Matter, Measurement, and Problem Solving
Multiple Choice Questions
1) Molecules can be described as
A) mixtures of two or more pure substances.
B) mixtures of two or more elements that has a specific ratio between components.
C) two or more atoms chemically joined together.
D) heterogeneous mixtures.
E) homogeneous mixtures.
Answer: C
Diff: 1 Page Ref: 1.1
2) Give the composition of water.
A) two hydrogen atoms and two oxygen atoms
B) one hydrogen atom and one oxygen atom
C) two hydrogen atoms and one oxygen atom
D) one hydrogen atom and two oxygen atoms
Answer: C
Diff: 1 Page Ref: 1.1
3) Give the composition of hydrogen peroxide.
A) two hydrogen atoms and two oxygen atoms
B) one hydrogen atom and one oxygen atom
C) two hydrogen atoms and one oxygen atom
D) one hydrogen atom and two oxygen atoms
Answer: A
Diff: 1 Page Ref: 1.1
4) Which of the following represents a hypothesis?
A) Sodium reacts with water to form sodium hydroxide and hydrogen gas.
B) Nitrogen gas is a fairly inert substance.
C) Nickel has a silvery sheen.
D) When a substance combusts, it combines with air.
E) When wood burns, heat is given off.
Answer: D
Diff: 1 Page Ref: 1.2
5) Which of the following represents a valid hypothesis?
A) Neon does not react with oxygen.
B) Sodium metal reacts violently with water.
C) Lead is soft and malleable.
D) Oxygen is a gas at room temperature.
E) Metals tend to lose electrons.
Answer: E
Diff: 1 Page Ref: 1.2
1
.
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6) The statement, "In a chemical reaction, matter is neither created nor destroyed" is called
A) the Law of Conservation of Mass.
B) Dalton's Atomic Theory.
C) the Scientific Method.
D) the Law of Multiple Proportions.
E) the Law of Definite Proportions.
Answer: A
Diff: 1 Page Ref: 1.2
7) Dalton's Atomic Theory states
A) that all elements have several isotopes.
B) that matter is composed of small indestructible particles.
C) that the properties of matter are determined by the properties of atoms.
D) that energy is neither created nor destroyed during a chemical reaction.
E) that an atom is predominantly empty space.
Answer: B
Diff: 1 Page Ref: 1.2
8) The Scientific Method
A) is just a theory.
B) is a strict set of rules and procedures that lead to inarguable fact.
C) isn't used much in modern chemistry.
D) is based on continued observation and experiment.
E) is a framework for proving an argument you know to be true.
Answer: D
Diff: 1 Page Ref: 1.2
9) Which of the following statements is TRUE?
A) A scientific law is fact.
B) Once a theory is constructed, it is considered fact.
C) A hypothesis is speculation that is difficult to test.
D) An observation explains why nature does something.
E) A scientific law summarizes a series of related observations.
Answer: E
Diff: 1 Page Ref: 1.2
10) Identify a liquid.
A) definite volume and definite shape
B) definite volume and no definite shape
C) no definite shape and definite volume
D) no definite shape and no definite volume
Answer: B
Diff: 1 Page Ref: 1.3
3
.
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11) Identify a solid.
A) definite volume and definite shape
B) definite volume and no definite shape
C) no definite shape and definite volume
D) no definite shape and no definite volume
Answer: A
Diff: 1 Page Ref: 1.3
12) Identify a gas.
A) definite volume and definite shape
B) definite volume and no definite shape
C) no definite shape and definite volume
D) no definite shape and no definite volume
Answer: D
Diff: 1 Page Ref: 1.3
13) Which of the following statements about crystalline and amorphous solids is TRUE?
A) A crystalline solid is composed of atoms or molecules arranged with long-range repeating order.
B) An example of a crystalline solid is glass.
C) An example of an amorphous solid is table salt (NaCl).
D) An amorphous solid is composed of atoms or molecules with a majority of its volume empty.
E) All of the above statements are TRUE.
Answer: A
Diff: 1 Page Ref: 1.3
14) Which of the following statements about the phases of matter is TRUE?
A) In both solids and liquids, the atoms or molecules pack closely to one another.
B) Solids are highly compressible.
C) Gaseous substances have long-range repeating order.
D) There is only one type of geometric arrangement that the atoms or molecules in any solid can adopt.
E) Liquids have a large portion of empty volume between molecules.
Answer: A
Diff: 1 Page Ref: 1.3
15) A substance that can't be chemically broken down into simpler substances is
A) a homogeneous mixture.
B) an element.
C) a heterogeneous mixture.
D) a compound.
E) an electron.
Answer: B
Diff: 1 Page Ref: 1.3
4
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