MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
Preparation of super conductors by ceramic method by homogeneous mixture of the oxides __________ in their molar ratios. |
| A. | Y<sub>2</sub>O<sub>3</sub>, BaCO<sub>3</sub>, CuO |
| B. | Y<sub>2</sub>O<sub>3</sub>, BaCO<sub>3</sub>, Cu<sub>2</sub>O |
| C. | Y<sub>2</sub>O<sub>4</sub>, BaCO<sub>3</sub>, CuO |
| D. | YO<sub>3</sub>, BaCO<sub>3</sub>, CuO |
| Answer» B. Y<sub>2</sub>O<sub>3</sub>, BaCO<sub>3</sub>, Cu<sub>2</sub>O | |