(c) $\underset{Acidic\ oxides}{\overset{P_{2}O_{3}\ \ \ \ \ A_{2}O_{3}\ \ \ B_{2}O_{3}}{︸}}\ \ \ \ \ \ \ \underset{Alkaline}{\overset{Bi_{2}O_{3}}{︸}}$
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.