Which of the Following Statements Is LEAST-Likely True

question 16

Multiple Choice

Which of the following statements is LEAST-Likely true?

• A) Most weld-through primers have poor adhesion qualities.
• B) Self-etching primers etch the bare metal to improve paint adhesion.
• C) Weld through primers contain acids that eat into the metal to produce better adhesion.
• D) Two-part epoxy primers are mixed together and cure very quickly, which helps prevent corrosion.

---

Definitions:

Light-Promoted Reaction

Light-promoted reactions are chemical reactions that proceed in the presence of light, often leading to the activation of molecules through energy absorption.

Bromine

A halogen element with the symbol Br and atomic number 35, known for its red-brown color and use in flame retardants and other chemicals.

Hydrogens

Atoms that consist of one proton and, in most cases, one electron, forming the most abundant chemical substance in the universe.

Equilibrium Constant

A number that expresses the relationship between the concentrations of products and reactants of a reaction at equilibrium under given conditions.