P-Block Elements Ques 8
Question: The hardest substance amongst the following is
[Kerala PMT 2004]
Options:
A) $ Be_2C $
B) Graphite
C) Titanium
D) SiC
E) $ B_4C $
Show Answer
Answer:
Correct Answer: E
Solution:
$ B_4C $ is the hardest substance along with diamond.