A) Amorphous boron of ultra purity
B) Crystalline boron of ultra purity
C) Amorphous boron of low purity
D) Crystalline boron of low purity
Correct Answer: C
Solution :
Moissan boron is amorphous boron, obtained by reduction of \[{{B}_{2}}{{O}_{3}}\] with Na or Mg. It has 95-98% boron and is black in colour.You need to login to perform this action.
You will be redirected in
3 sec