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The pigment that dominates white paint production is

  • A.zinc oxide powder
  • B.calcium carbonate
  • C.lead carbonate
  • D.titanium dioxide

Answer: D

Correct answer: titanium dioxide

Titanium dioxide accounts for the overwhelming majority of white pigment used, and it is the single most valuable ingredient in most white paints. It displaced white lead on toxicity grounds and zinc oxide on performance, for the reason the next item gives.

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