In borax bead test which compound is formed ?

1.	In borax bead test which compound is formed ?
Answer» Ortho-borate Meta-borate Double oxide Tetra-borate Solution :`Na_2B_4O_7 . 10H_2O underset(-10 H_2O)OVERSETDELTATO` `underset"ANHYDROUS"(Na_2B_4O_7) oversetDeltato underset"sodium metaborate"(2NaBO_2) + underset"BORIC anhydride"(B_2O_3)` `CuO+B_2O_3 to underset"cupric meta borate (Blue BEED)"(Cu(BO_2)_2)`

Discussion