Questions
On heating, borax first swells up by losing water molecules. On further heating it changes to transparent liquid which solidifies to glass like material known as borax bead. In the following equation, supply the formulae of compounds. A and B respectively.
detailed solution
Correct option is B
Na2 B4O7·10H2O⟶Na2 B4O7→2NaBO2 Sod. metaborate +B2O3 Boric anhydride metaborates of many transition metals have characteristic colour ,so borax bead test is used to identify them .Similar Questions
Borax is used as a cleansing agent because on dissolving in water, it gives:
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