NACE (National Association of Corrosion Engineers) CP1 Tester Exam PREP
NACE (NATIONAL ASSOCIATION OF CORROSION ENGINEERS) CP1
TESTER EXAM PREP LATEST 2025/2026 ACTUAL EXAM TEST
BANK COMPLETE 200 QUESTIONS AND CORRECT ANSWERS
GRADED A+ GUARANTEED PASS- ACE YOUR EXAM
Molecules
A) is produced when acids dissociate , when cation takes place
B) is the term applied to the loss of one or more electrons from an atom or
molecule, which forms a positively charged ion, the atom or molecule decreases
in negative charge (occurs at the anode)
C) are composed of two or more atoms, molecules are the smallest unit of a
substance with the same specific chemical properties of that substance
D) is the deviation from the open circuit potential of an electrode resulting from
the passage of current
E) consist of a nucleus and orbiting electrons, the number of protons equals the
number of negatively charged electrons
c
Chemical bonding
A) is the force that holds atoms of molecules together
B) is the division of chemistry that deals with the transfer of electric charge in
chemical reactions
C) is the gain of one or more electrons to an atom or molecule, which then forms
a negatively charged ion or neutral element (occurs at the cathode)
D) are particles that carry a negative charge
E) the ratio of metal consumed producing useful cathodic protection current to
the total metal consumed
1|Page
, NACE (National Association of Corrosion Engineers) CP1 Tester Exam PREP
a
Hydrogen ion H+
A)is the force that holds atoms of molecules together
B) are ions formed by the gaining of electrons and is negatively charged because
the number of electrons is greater than the number of protons
C) is produced when acids dissociate , when cation takes place
D) is an excess of H+ ions
E) is an excess of OH-
c
Acidic
A) is an excess of OH-
B) is an excess of H+ ions
C) when alkali dissociate, anion
D) is the division of chemistry that deals with the transfer of electric charge in
chemical reactions
E) loss of electrons yielding a positively charged ion
b
pH
A) when alkali dissociate, anion
B) is an excess of OH-
C) is the term applied to the loss of one or more electrons from an atom or
molecule, which forms a positively charged ion, the atom or molecule decreases
in negative charge (occurs at the anode)
D) is an ionized solution capable of conducting electricity.
E) is the negative logarithm to the base 10 of the hydrogen ion concentration or
pH = -log[H+]
2|Page
, NACE (National Association of Corrosion Engineers) CP1 Tester Exam PREP
e
Hydroxyl ion OH-
A) when alkali dissociate, anion
B) is an excess of OH-
C) is the term applied to the loss of one or more electrons from an atom or
molecule, which forms a positively charged ion, the atom or molecule decreases
in negative charge (occurs at the anode)
D) is an ionized solution capable of conducting electricity.
E) is the negative logarithm to the base 10 of the hydrogen ion concentration or
pH = -log[H+]
a
Alkaline
A) when alkali dissociate, anion
B) is an excess of H+
C) is the term applied to the loss of one or more electrons from an atom or
molecule, which forms a positively charged ion, the atom or molecule decreases
in negative charge (occurs at the anode)
D) is an ionized solution capable of conducting electricity.
E) is an excess of OH-
e
Amphoteric
A) is the term applied to the loss of one or more electrons from an atom or
molecule, which forms a positively charged ion, the atom or molecule decreases
in negative charge (occurs at the anode)
B) is the gain of one or more electrons to an atom or molecule, which then forms
a negatively charged ion or neutral element (occurs at the cathode)
3|Page
, NACE (National Association of Corrosion Engineers) CP1 Tester Exam PREP
C) are metals that corrode under low and high pH levels
D) is the division of chemistry that deals with the transfer of electric charge in
chemical reactions
E) is the deviation from the open circuit potential of an electrode resulting from
the passage of current
c
The pH of the environment around the cathode (the protected structure)
A) becomes more alkaline due to the production of hydroxyl ions or removal of
hydrogen ions during cathodic protection
B) is the deviation from the open circuit potential of an electrode resulting from
the passage of current
C) electrochemic
D) is an ionized solution capable of conducting electricity.
E) is the negative logarithm to the base 10 of the hydrogen ion concentration or
pH = -log[H+]
a
Electrochemistry
A) Is the term applied to the study of atom or molecular structures
B) is the gaining of one or more electrons
C) involves the movement of electrons anode to cathode for the reduction
reaction to occur
D) is the division of chemistry that deals with the transfer of electric charge in
chemical reactions
E) None of the above
d
Oxidation
4|Page
NACE (NATIONAL ASSOCIATION OF CORROSION ENGINEERS) CP1
TESTER EXAM PREP LATEST 2025/2026 ACTUAL EXAM TEST
BANK COMPLETE 200 QUESTIONS AND CORRECT ANSWERS
GRADED A+ GUARANTEED PASS- ACE YOUR EXAM
Molecules
A) is produced when acids dissociate , when cation takes place
B) is the term applied to the loss of one or more electrons from an atom or
molecule, which forms a positively charged ion, the atom or molecule decreases
in negative charge (occurs at the anode)
C) are composed of two or more atoms, molecules are the smallest unit of a
substance with the same specific chemical properties of that substance
D) is the deviation from the open circuit potential of an electrode resulting from
the passage of current
E) consist of a nucleus and orbiting electrons, the number of protons equals the
number of negatively charged electrons
c
Chemical bonding
A) is the force that holds atoms of molecules together
B) is the division of chemistry that deals with the transfer of electric charge in
chemical reactions
C) is the gain of one or more electrons to an atom or molecule, which then forms
a negatively charged ion or neutral element (occurs at the cathode)
D) are particles that carry a negative charge
E) the ratio of metal consumed producing useful cathodic protection current to
the total metal consumed
1|Page
, NACE (National Association of Corrosion Engineers) CP1 Tester Exam PREP
a
Hydrogen ion H+
A)is the force that holds atoms of molecules together
B) are ions formed by the gaining of electrons and is negatively charged because
the number of electrons is greater than the number of protons
C) is produced when acids dissociate , when cation takes place
D) is an excess of H+ ions
E) is an excess of OH-
c
Acidic
A) is an excess of OH-
B) is an excess of H+ ions
C) when alkali dissociate, anion
D) is the division of chemistry that deals with the transfer of electric charge in
chemical reactions
E) loss of electrons yielding a positively charged ion
b
pH
A) when alkali dissociate, anion
B) is an excess of OH-
C) is the term applied to the loss of one or more electrons from an atom or
molecule, which forms a positively charged ion, the atom or molecule decreases
in negative charge (occurs at the anode)
D) is an ionized solution capable of conducting electricity.
E) is the negative logarithm to the base 10 of the hydrogen ion concentration or
pH = -log[H+]
2|Page
, NACE (National Association of Corrosion Engineers) CP1 Tester Exam PREP
e
Hydroxyl ion OH-
A) when alkali dissociate, anion
B) is an excess of OH-
C) is the term applied to the loss of one or more electrons from an atom or
molecule, which forms a positively charged ion, the atom or molecule decreases
in negative charge (occurs at the anode)
D) is an ionized solution capable of conducting electricity.
E) is the negative logarithm to the base 10 of the hydrogen ion concentration or
pH = -log[H+]
a
Alkaline
A) when alkali dissociate, anion
B) is an excess of H+
C) is the term applied to the loss of one or more electrons from an atom or
molecule, which forms a positively charged ion, the atom or molecule decreases
in negative charge (occurs at the anode)
D) is an ionized solution capable of conducting electricity.
E) is an excess of OH-
e
Amphoteric
A) is the term applied to the loss of one or more electrons from an atom or
molecule, which forms a positively charged ion, the atom or molecule decreases
in negative charge (occurs at the anode)
B) is the gain of one or more electrons to an atom or molecule, which then forms
a negatively charged ion or neutral element (occurs at the cathode)
3|Page
, NACE (National Association of Corrosion Engineers) CP1 Tester Exam PREP
C) are metals that corrode under low and high pH levels
D) is the division of chemistry that deals with the transfer of electric charge in
chemical reactions
E) is the deviation from the open circuit potential of an electrode resulting from
the passage of current
c
The pH of the environment around the cathode (the protected structure)
A) becomes more alkaline due to the production of hydroxyl ions or removal of
hydrogen ions during cathodic protection
B) is the deviation from the open circuit potential of an electrode resulting from
the passage of current
C) electrochemic
D) is an ionized solution capable of conducting electricity.
E) is the negative logarithm to the base 10 of the hydrogen ion concentration or
pH = -log[H+]
a
Electrochemistry
A) Is the term applied to the study of atom or molecular structures
B) is the gaining of one or more electrons
C) involves the movement of electrons anode to cathode for the reduction
reaction to occur
D) is the division of chemistry that deals with the transfer of electric charge in
chemical reactions
E) None of the above
d
Oxidation
4|Page
