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Consider the following pairs: I. Pigment TiO ₂ II. Drier Turpentine III. Thinner Naphthenates IV. Antiskinning agent Polyhydroxy phenol How many of the pairs given above are correctly matched?

Options

  1. AOne
  2. BTwo
  3. CThree
  4. DAll the four

Correct answer

B. Two

Step-by-step solution

Pigments provide colour and hiding power to the paint. TiO ₂ is a widely used white pigment. Pair I is correctly matched. Driers accelerate the drying of the paint film by catalysing the oxidation of the drying oil. Common driers are naphthenates, resinates, and linoleates of metals like cobalt, manganese, and lead. Pair II is incorrectly matched. Thinners are volatile solvents added to reduce the viscosity of the paint, making it easier to apply. Turpentine is a common thinner. Pair III is incorrectly matched. Ant

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