State PCS PYQPrelims 2018

UPPCS · પ્રશ્ન 135

Graphene is

  1. An alloy of carbon
  2. Nano structure of carbon
  3. Isotope of carbon
  4. None of the above
જવાબ બતાવો અને સમજૂતી

જવાબ: (B) Nano structure of carbon

સમજૂતી

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