Question 1

Iron is a(n)

Accepted Answer

A)  anion. 
B)  electrolyte. 
C)  acid. 
D)  cation. 
A)  anion. 
B)  electrolyte. 
C)  acid. 
D)  cation. D

Question 2

Which of the following is descriptive of the chemical reaction in the previous question?

Accepted Answer

A)  cation + anion ⟶ electrolyte 
B)  electrolyte ⟶ cation + anion 
C)  electrolyte + anion ⟶ cation 
D)  neutralization of an acid by a base 
A)  cation + anion ⟶ electrolyte 
B)  electrolyte ⟶ cation + anion 
C)  electrolyte + anion ⟶ cation 
D)  neutralization of an acid by a base B

Question 3

Which of the following is an anion?

Accepted Answer

A)  sodium ion 
B)  potassium ion 
C)  chloride ion 
D)  calcium ion 
A)  sodium ion 
B)  potassium ion 
C)  chloride ion 
D)  calcium ion C

Question 4

Which of the following is located in the orbits surrounding the nucleus?

Accepted Answer

A)  isotopes 
B)  protons 
C)  electrons 
D)  neutrons 
A)  isotopes 
B)  protons 
C)  electrons 
D)  neutrons

Question 5

Which pH is considered neutral?

Accepted Answer

A)  7.35 
B)  7.45 
C)  7.00 
D)  14.0 
A)  7.35 
B)  7.45 
C)  7.00 
D)  14.0

Question 6

Blood has a pH range of 7.35 to 7.45 and therefore

Accepted Answer

A)  is acidic. 
B)  is 3-4 times more viscid (thicker)than water. 
C)  has a pH that is similar to urine and stomach contents. 
D)  is alkaline. 
A)  is acidic. 
B)  is 3-4 times more viscid (thicker)than water. 
C)  has a pH that is similar to urine and stomach contents. 
D)  is alkaline.

Question 7

[H⁺] refers to

Accepted Answer

A)  an isotope of hydrogen. 
B)  heavy hydrogen. 
C)  hydrogen bonding. 
D)  hydrogen ion concentration. 
A)  an isotope of hydrogen. 
B)  heavy hydrogen. 
C)  hydrogen bonding. 
D)  hydrogen ion concentration.

Question 8

Which of the following increases the speed of a chemical reaction,but is itself not used up in the chemical reaction?

Accepted Answer

A)  an isotope 
B)  a cation 
C)  a catalyst 
D)  ATP 
A)  an isotope 
B)  a cation 
C)  a catalyst 
D)  ATP

Question 9

Which compound is the universal solvent?

Accepted Answer

A)  carbon dioxide 
B)  oxygen 
C)  ATP 
D)  water 
A)  carbon dioxide 
B)  oxygen 
C)  ATP 
D)  water

Question 10

Which of the following is a measurement of hydrogen ion concentration [H⁺]?

Accepted Answer

A)  atomic number 
B)  atomic weight 
C)  isotope 
D)  pH 
A)  atomic number 
B)  atomic weight 
C)  isotope 
D)  pH

Question 11

Which of the following is incorrect?

Accepted Answer

A)  mixtures:suspension,colloidal suspension,solution 
B)  ions:Na⁺,Cl⁻ ,Ca2+,K⁺ 
C)  electrolytes:NaCl,KCl,CaCl2,HCO-3 
D)  cations:Na⁺,Ca2+,K⁺,H⁺ 
A)  mixtures:suspension,colloidal suspension,solution 
B)  ions:Na⁺,Cl⁻ ,Ca2+,K⁺ 
C)  electrolytes:NaCl,KCl,CaCl2,HCO-3 
D)  cations:Na⁺,Ca2+,K⁺,H⁺

Question 12

Which of the following best describes a solution in which alcohol is the solvent?

Accepted Answer

A)  tincture 
B)  alkaline 
C)  acid 
D)  aqueous 
A)  tincture 
B)  alkaline 
C)  acid 
D)  aqueous

Question 13

Na⁺

Accepted Answer

A)  is an an  ion. 
B)  is an electrolyte. 
C)  bonds ionically with Ca2+. 
D)  is a cation. 
A)  is an an  ion. 
B)  is an electrolyte. 
C)  bonds ionically with Ca2+. 
D)  is a cation.

Question 14

What happens when HCl is added to a solution with a pH of 7.45?

Accepted Answer

A)  The pH will be greater than 7.45. 
B)  The solution will become more alkaline. 
C)  The [H⁺] of the solution will increase. 
D)  The pH will be greater than 8.0. 
A)  The pH will be greater than 7.45. 
B)  The solution will become more alkaline. 
C)  The [H⁺] of the solution will increase. 
D)  The pH will be greater than 8.0.

Question 15

The heart pushes blood into the blood vessels as chemical energy is converted to this form of energy.

Accepted Answer

A)  thermal 
B)  radiant 
C)  mechanical 
D)  nuclear 
A)  thermal 
B)  radiant 
C)  mechanical 
D)  nuclear

Question 16

An atom has 2 protons,2 neutrons,and 2 electrons;it has an atomic

Accepted Answer

A)  number of 6. 
B)  weight of 2. 
C)  weight of 6. 
D)  number of 4. 
A)  number of 6. 
B)  weight of 2. 
C)  weight of 6. 
D)  number of 4.

Question 17

Which compound is a waste product of cellular metabolism?

Accepted Answer

A)  oxygen 
B)  carbon dioxide 
C)  catalyst 
D)  ATP 
A)  oxygen 
B)  carbon dioxide 
C)  catalyst 
D)  ATP

Question 18

The word ferrous refers to

Accepted Answer

A)  an acid solution. 
B)  an alkaline solution. 
C)  any cation. 
D)  iron. 
A)  an acid solution. 
B)  an alkaline solution. 
C)  any cation. 
D)  iron.

Question 19

A cation is a(n)

Accepted Answer

A)  positively charged ion. 
B)  electrolyte. 
C)  isotope. 
D)  ion that has an atomic weight of 2. 
A)  positively charged ion. 
B)  electrolyte. 
C)  isotope. 
D)  ion that has an atomic weight of 2.

Question 20

NaCl,table salt,is called a(n)

Accepted Answer

A)  anion. 
B)  electrolyte. 
C)  cation. 
D)  ion. 
A)  anion. 
B)  electrolyte. 
C)  cation. 
D)  ion.

Exam 2: Basic Chemistry

Iron is a(n)

Which of the following is descriptive of the chemical reaction in the previous question?

Which of the following is an anion?

Which of the following is located in the orbits surrounding the nucleus?

Which pH is considered neutral?

Blood has a pH range of 7.35 to 7.45 and therefore

[H⁺] refers to

Which of the following increases the speed of a chemical reaction,but is itself not used up in the chemical reaction?

Which compound is the universal solvent?

Which of the following is a measurement of hydrogen ion concentration [H⁺]?

Which of the following is incorrect?

Which of the following best describes a solution in which alcohol is the solvent?

Na⁺

What happens when HCl is added to a solution with a pH of 7.45?

The heart pushes blood into the blood vessels as chemical energy is converted to this form of energy.

An atom has 2 protons,2 neutrons,and 2 electrons;it has an atomic

Which compound is a waste product of cellular metabolism?

The word ferrous refers to

A cation is a(n)

NaCl,table salt,is called a(n)

Introduction to the Human Body

Cells

Cell Metabolism

Microbiology Basics

Tissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Nervous Tissue and Brain

Nervous System: Spinal Cord and Peripheral Nerves

Autonomic Nervous System

Sensory System

Endocrine System

Blood

Heart

Function of the Heart

Anatomy of the Blood Vessels

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Digestive System

Urinary System

Water,Electrolyte,and Acid-Base Balance

Reproductive Systems

Human Development and Heredity

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