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Question

The colour imparted by Co(II) compounds to glass is

A
green
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B
deep blue
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C
yellow
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D
red
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Solution

The correct option is B deep blue
Vanadiumyellow-green
Chromeemerald green
IronCoke bottle green
Manganeseamethyst
Cobaltviolet blue
Coppergreenish blue to blue
Nickelgrayish brown
Seleniumsalmon pink
Cerium- Titaniumyellow
Neodymiumdichroic violet-pink
Uraniumyellow (fluorescent

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