Preparation of super conductors by ceramic method by homogeneous mixture of the oxides __________ in their molar ratios.
(a) Y2O3, BaCO3, CuO
(b) Y2O3, BaCO3, Cu2O
(c) Y2O4, BaCO3, CuO
(d) YO3, BaCO3, CuO
The question was posed to me in an interview.
My question is from Super Conductors in section Nano Materials of Applied Chemistry