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Ferric oxide gives a very light yellow tint to the glass while ferrous oxide imparts a green colour.(a) True(b) FalseI have been asked this question in final exam.This question is from Glass topic in portion Glass, Lime, Clay Products & Bricks of Construction & Building Materials

Answer»

The correct choice is (a) True

To elaborate: The RAW materials required to manufacture glass usually contain traces of compounds of iron. Ferric oxide gives a very light YELLOW TINT to the glass while ferrous oxide imparts a green COLOUR. Decolorizers are added in ORDER to avoid such effects.



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