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Oxides and Oxoanions

Green coloure...

Question

Green coloured glasses are obtained by adding :

A

Cobalt oxide

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B

Aluminium oxide

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C

Ferrous iron

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D

Cupric salt

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Solution

The correct option is C Ferrous iron
Green colored glasses are obtained by adding ferrous ion that is ferrous oxide $(F e O)$ . these glasses are frequently used in beer bottles. Together with chromium it gives a richer green color, used for wine bottles.

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