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Formula and colour of cobalt metaborate is
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a
CoBO23, Yellow
b
CoBO22, Red
c
CoBO23, Green
d
CoBO22, Blue
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Correct option is D
Na2B4O7.10H2O→∆Na2B4O7→fuseNaBO2+B2O3colour less glassy beadCoO+B2O3→ CoBO22Blue .Similar Questions
Borax is used as a cleansing agent because on dissolving in water, it gives:
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