NextMockपरीक्षा शोधा, उदा. SSC CGL, UPPSC, Lekhpal
State PCS PYQPrelims 2018

UPPCS · प्रश्न 135

Graphene is

  1. An alloy of carbon
  2. Nano structure of carbon
  3. Isotope of carbon
  4. None of the above
उत्तर दाखवा आणि स्पष्टीकरण

उत्तर: (B) Nano structure of carbon

स्पष्टीकरण

Graphene is a single atomic layer of carbon arranged in a hexagonal lattice, a 2-D nanostructure (allotrope) of carbon.