Among the various allotrope of carbon
A. Coke is the hardest, graphite is the softest
B. Diamond is the hardest, coke is the softest
C. Diamond is the hardest, graphite is the softest
D. Diamond is the hardest, lamp black is the softest
Answer: Option C
Solution(By Examveda Team)
Among the various allotrope of carbon diamond is the hardest, graphite is the softest.This Question Belongs to General Knowledge >> General Science
Join The Discussion
Comments ( 7 )
Related Questions on General Science
The tree which sends down roots from its branches to the soil is known as:
A. Oak
B. Pine
C. Banyan
D. Palm
Brass gets discoloured in air because of the presence of which of the following gases in air?
A. Oxygen
B. Hydrogen Sulphide
C. Carbon dioxide
D. Nitrogen
Which of the following is a non metal that remains liquid at room temperature?
A. Phosphorous
B. Bromine
C. Chlorine
D. Helium
all my searches prove that diamond is the hardest and graphite is the softest.i agree that that diamond is the hardest substance but how come coke became softer than graphite...?????
option c is the correct answer.
make changes immediately.
u cant change a universal fact
Option B is wrong, Graphite is soft
right ans is C
Sorry it's graphite
Graphic is softest
Option B is wrong
Correct answer is option C.
Correct answer is
C. Diamond is the hardest, graphite is the softest
Make changes
Diamond is the hardest and graphite is softest