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Which of the following substances is not used as a decolorizer in the manufacturing of glass?

Which of the following substances is not used as a decolorizer in the manufacturing of glass? Correct Answer Potassium carbonate

Potassium carbonate is a raw material needed to manufacture potash-lime glass and potash-lead glass. Decolorizers are substances which are added to glass in addition to the raw materials in order to avoid any colouring effects due to the presence of iron compounds in the glass. Some of the examples of decolourisers are antimony oxide, manganese dioxide and cobalt oxide.

Related Questions

Match the following classification of glasses with their specific uses: a. Soda lime glass 1. Used in the manufacturing of glass articles which have to withstand high temperatures. b. Potash lime glass 2. Used in the manufacturing of artificial gems, electric bulbs, lenses, Prisms, etc. c. Potash lead glass 3. Used in the manufacturing of glass tubes, laboratory apparatus, plate glass, window panels, etc. d. Common glass 4. Used in the manufacturing of medicine bottles
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