Questions
In borax bead test the colour is due to formation of
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By Expert Faculty of Sri Chaitanya
a
Meta borate
b
Tetra borate
c
Pyro borate
d
Ortho borate
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Correct option is A
Na2B4O7 .10H2O→-10H2O∆Na2B4O7Na2B4O7→∆2NaBO2 + B2O3CuO + B2O3→Cu(BO2)2Meta borates are colored
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