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General Principles and processes of Isolation of Elements
normal
$B_4C$ (boron carbide) is used except :
A
to extract boron
B
as an abrasive for polishing
C
for making bullet-proof clothing
D
for making diborane
Solution
Boron carbide $B _4 C$ is not used for making diborane.
It is used in the extraction of boron, as an abrasive for polishing and for making bullet proof clothing.
Standard 12
Chemistry
