Questions
Borax bead test is performed on platinum wire. Many transition metals give characteristic colour of metaborate. CoO reacts with B2O3 to give Co(BO2)2 whose colour is
detailed solution
Correct option is B
Metaborates of many transition metals have characteristic colors so borax bead test is used to identify them.CoO reacts with B2O3 to give blue bead of Co(BO2)2.Similar Questions
Borax is used as a cleansing agent because on dissolving in water, it gives:
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