1.When borax is heated with CoOCoOCoO on a platinum loop, blue coloured bead formed is largely due toa.B2O3B_2O_3B2O3b.Co(BO2)2Co(BO_2)_2Co(BO2)2c.CoB4O7CoB_4O_7CoB4O7d.Co[B4O5(OH)4]Co[B_4O_5(OH)_4]Co[B4O5(OH)4]Login to continueOnly logged in users canattempt or see the solution.