NextMockSearch exams, e.g. SSC CGL, UPPSC, Lekhpal
हिंदी
State PCS PYQPrelims 2018

UPPCS · Question 135

Graphene is

  1. An alloy of carbon
  2. Nano structure of carbon
  3. Isotope of carbon
  4. None of the above
Show answer & explanation

Answer: (B) Nano structure of carbon

Explanation

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