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


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