Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Knowledge Science Technology and Inventions
Which of the following has been designated by scientists as the thinnest substances in the world?
1
Fullerene
2
Silicon
3
Graphene
4
More than one of the above
5
None of the above