Question:

The Bristol glaze contains

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Bristol glaze is commonly associated with zinc oxide \((ZnO)\).
  • \(Sb_2O_3\)
  • \(ZnO\)
  • \(SnO_2\)
  • \(ZrO_2\)
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The Correct Option is B

Solution and Explanation

Bristol glaze is a type of glaze used in ceramic ware. It is known as a zinc-containing glaze. The important constituent of Bristol glaze is: \[ ZnO. \] Zinc oxide acts as a flux and also helps in improving glaze properties. It can improve gloss, melting behavior, and surface finish of the glaze. Tin oxide: \[ SnO_2 \] and zirconia: \[ ZrO_2 \] are generally used as opacifiers. Antimony oxide: \[ Sb_2O_3 \] is also associated with opacifying effects in some ceramic systems. But Bristol glaze is specifically associated with zinc oxide. Therefore, Bristol glaze contains: \[ ZnO. \]
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