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The p-Block Elements — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryThe p-Block Elements1 Mark
MCQ
Which among the following substances is not a component of the mixture used for glazing pottery?
  • ✓
    Feldspar
  • B
    Silica
  • C
    Borax
  • D
    Alumina
✓

Answer

Correct option: A.
Feldspar
Ceramic glaze is an impervious layer or coating of a vitreous substance which has been fused to a ceramic body through firing. Glaze can serve to colour, decorate or waterproof an item.
Pottery glaze is made up of five basic components. These components are silica, alumina, flux, colourants and modifiers.

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