(I) [Borax powder] overset("Heated")underset("strongly")rarr ubrace('A'+'B')_("Transparent glassy bead")+H_(2)O (II) B +CuO overset(Delta)rarr 'C' (Blue mass) (III) A +'C' +C ("coke") overset(Delta)rarr 'D' + 'E' +CO (uarr) The correct statement about step-(III) is/are:

(I) [Borax powder] overset("Heated")underset("strongly")rarr ubrace('A

1.	(I) [Borax powder] overset("Heated")underset("strongly")rarr ubrace('A'+'B')_("Transparent glassy bead")+H_(2)O (II) B +CuO overset(Delta)rarr 'C' (Blue mass) (III) A +'C' +C ("coke") overset(Delta)rarr 'D' + 'E' +CO (uarr) The correct statement about step-(III) is/are:
Answer» The COLOURED copper compound [C} may be reduced to colourless copper (I) metaborate. The coloured copper compound [C] may be reduced to metallic copper [D]. Compound 'A' gets CONVERTED into compound 'E', which is anhydrous form of borax. Coke ACT as oxidising agent. Answer :A::B::C