NACE (National Association of Corrosion Engineers)
CP1 Test Exam Q&A’s 2025 Update
Corrosion
A) is defined by NACE International as the deterioration of a
material, usually a metal that results from a reaction with its
environment.
B) is produced when acids dissociate , when cation takes place a
C) is the division of chemistry that deals with the transfer of electric
charge in chemical reactions
D) involves the movement of electrons anode to cathode for the
reduction reaction to occur
E) is equal to the reciprocal of resistivity.
Atoms
A) are positively charged particles in the nucleus
B) are neutral particles in the nucleus
C) are electrically charged atoms
d
D) consist of a nucleus and orbiting electrons, the number of
protons equals the number of negatively charged electrons
E) are ions formed by the gaining of electrons and is negatively
charged because the number of electrons is greater than the
number of protons
Protons
A) are positively charged particles in the nucleus
B) are neutral particles in the nucleus
C) are electrically charged atoms
a
D) consist of a nucleus and orbiting electrons, the number of
protons equals the number of negatively charged electrons
E) are ions formed by the gaining of electrons and is negatively
charged because the number of electrons is greater than the
number of protons
Neutrons
A) are positively charged particles in the nucleus
B) are neutral particles in the nucleus
C) are electrically charged atoms
b
D) consist of a nucleus and orbiting electrons, the number of
protons equals the number of negatively charged electrons
E) are ions formed by the gaining of electrons and is negatively
charged because the number of electrons is greater than the
number of protons
PART OF WRITTEN EXAMINATION:
Ions
A) are positively charged particles in the nucleus
B) are neutral particles in the nucleus
C) are electrically charged atoms c
D) consist of a nucleus and orbiting electrons, the number of
protons equals the number of negatively charged electrons
E) are ions formed by the gaining of electrons and is negatively
charged because the number of electrons is greater than the
number of protons
PART OF WRITTEN EXAMINATION:
Anions
A) are composed of two or more atoms, molecules are the small- c
est unit of a substance with the same specific chemical properties
of that substance
, NACE (National Association of Corrosion Engineers)
CP1 Test Exam Q&A’s 2025 Update
B) are metals that corrode under low and high pH levels
, NACE (National Association of Corrosion Engineers)
CP1 Test Exam Q&A’s 2025 Update
C) are ions formed by the gaining of electrons and is negatively
charged because the number of electrons is greater than the
number of protons
D) accelerate corrosion of metal pipe in clay environments
E) is an excess of OH-
PART OF WRITTEN EXAMINATION:
Cation
A) are composed of two or more atoms, molecules are the small-
est unit of a substance with the same specific chemical properties of
that substance b
B) loss of electrons yielding a positively charged ion
C) is the negative logarithm to the base 10 of the hydrogen ion
concentration or
pH = -log[H+]
D) are metals that corrode under low and high pH levels
E) is an ionized solution capable of conducting electricity.
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 small- c
est 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
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, a
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 protec-
tion current to the total metal consumed
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 c
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-
Acidic
A) is an excess of OH-
B) is an excess of H+ ions
b
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
, NACE (National Association of Corrosion Engineers)
CP1 Test Exam Q&A’s 2025 Update
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 e
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+]
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 a
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+]
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 e
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-
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 c
(occurs at the cathode)
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
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
a
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+]
Electrochemistry
CP1 Test Exam Q&A’s 2025 Update
Corrosion
A) is defined by NACE International as the deterioration of a
material, usually a metal that results from a reaction with its
environment.
B) is produced when acids dissociate , when cation takes place a
C) is the division of chemistry that deals with the transfer of electric
charge in chemical reactions
D) involves the movement of electrons anode to cathode for the
reduction reaction to occur
E) is equal to the reciprocal of resistivity.
Atoms
A) are positively charged particles in the nucleus
B) are neutral particles in the nucleus
C) are electrically charged atoms
d
D) consist of a nucleus and orbiting electrons, the number of
protons equals the number of negatively charged electrons
E) are ions formed by the gaining of electrons and is negatively
charged because the number of electrons is greater than the
number of protons
Protons
A) are positively charged particles in the nucleus
B) are neutral particles in the nucleus
C) are electrically charged atoms
a
D) consist of a nucleus and orbiting electrons, the number of
protons equals the number of negatively charged electrons
E) are ions formed by the gaining of electrons and is negatively
charged because the number of electrons is greater than the
number of protons
Neutrons
A) are positively charged particles in the nucleus
B) are neutral particles in the nucleus
C) are electrically charged atoms
b
D) consist of a nucleus and orbiting electrons, the number of
protons equals the number of negatively charged electrons
E) are ions formed by the gaining of electrons and is negatively
charged because the number of electrons is greater than the
number of protons
PART OF WRITTEN EXAMINATION:
Ions
A) are positively charged particles in the nucleus
B) are neutral particles in the nucleus
C) are electrically charged atoms c
D) consist of a nucleus and orbiting electrons, the number of
protons equals the number of negatively charged electrons
E) are ions formed by the gaining of electrons and is negatively
charged because the number of electrons is greater than the
number of protons
PART OF WRITTEN EXAMINATION:
Anions
A) are composed of two or more atoms, molecules are the small- c
est unit of a substance with the same specific chemical properties
of that substance
, NACE (National Association of Corrosion Engineers)
CP1 Test Exam Q&A’s 2025 Update
B) are metals that corrode under low and high pH levels
, NACE (National Association of Corrosion Engineers)
CP1 Test Exam Q&A’s 2025 Update
C) are ions formed by the gaining of electrons and is negatively
charged because the number of electrons is greater than the
number of protons
D) accelerate corrosion of metal pipe in clay environments
E) is an excess of OH-
PART OF WRITTEN EXAMINATION:
Cation
A) are composed of two or more atoms, molecules are the small-
est unit of a substance with the same specific chemical properties of
that substance b
B) loss of electrons yielding a positively charged ion
C) is the negative logarithm to the base 10 of the hydrogen ion
concentration or
pH = -log[H+]
D) are metals that corrode under low and high pH levels
E) is an ionized solution capable of conducting electricity.
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 small- c
est 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
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, a
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 protec-
tion current to the total metal consumed
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 c
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-
Acidic
A) is an excess of OH-
B) is an excess of H+ ions
b
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
, NACE (National Association of Corrosion Engineers)
CP1 Test Exam Q&A’s 2025 Update
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 e
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+]
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 a
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+]
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 e
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-
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 c
(occurs at the cathode)
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
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
a
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+]
Electrochemistry
