Q. Moissan boron is

A) Amorphous boron of low purity
B) Crystalline boron of low purity
C) Amorphous boron ultra purity
D) Crystalline boron of ultra purity
Explanation

(a)
Moissan boron is amorphous boron, obtained by reduction of $B_{2}O_{3}$ with Na or Mg. It has 95.98% boron and black in colour

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.