Question

73. Which of the following imparts a
blue colour to glass?​

Answer 1

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Cobalt.

Cobalt glass—known as "smalt" when ground as a pigment—is a deep blue coloured glass prepared by including a cobalt compound, typically cobalt oxide or cobalt carbonate, in a glass melt. Cobalt is a very intense colouring agent and very little is required to show a noticeable amount of colour.

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Answer 2

Answer:

Cobalt is a very intense glass colorant and very little is required to show a noticeable amount of colour. colour of Cobalt glass is blue

Explanation:

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