

MCQOPTIONS
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1. |
Which of the following is added as an impurity to p-type material in diffusion process? |
A. | Phosphorous pentaoxide (P<sub>2</sub>O<sub>5</sub>) |
B. | Phosphorous oxychloride (POcl<sub>3</sub>) |
C. | Boron oxide (B<sub>2</sub>O<sub>3</sub>) |
D. | None of the mentioned |
Answer» D. None of the mentioned | |