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Question
If a glass is blue in colour, which additional compound does it contain?
If a glass is blue in colour, which additional compound does it contain?
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Solution
The correct option is C Cobalt
The soda-lime glass is colourless. Compounds of certain metals are added to it to add colour. These mixtures are added to a molten mixture of glass. Cobalt compounds add blue colour to glass.
The soda-lime glass is colourless. Compounds of certain metals are added to it to add colour. These mixtures are added to a molten mixture of glass. Cobalt compounds add blue colour to glass.
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