Which one of the following ingredients does NOT constitute paint ?

Which one of the following ingredients does NOT constitute paint ?

[amp_mcq option1=”Turpentine oil (thinner)” option2=”Poly-hydroxy phenols (anti-skinning agent)” option3=”Thiourea (accelerator)” option4=”Titanium dioxide (pigment)” correct=”option3″]

This question was previously asked in
UPSC CAPF – 2020
Thiourea is NOT a standard ingredient that constitutes paint.
Typical paint formulations include Pigments (like Titanium dioxide for white color), Binders (resins or polymers that form a film), Solvents or Thinners (like turpentine oil or water to adjust viscosity), and various Additives (such as driers, anti-skinning agents like poly-hydroxy phenols, dispersants, etc.). Thiourea is an organic compound with various uses, including in resins, fertilizers, and as a vulcanization accelerator in rubber, but it is not a common or standard component of paint.
Turpentine oil is a common solvent/thinner. Poly-hydroxy phenols are used as anti-skinning agents. Titanium dioxide is a widely used white pigment. These are all standard ingredients or types of ingredients found in paints.