Q. With reference to “Graphene” consider the following statements:
1.It is the thinnest, most electrically and thermally conductive material in the world. 
2.Graphene oxide membranes are capable of forming a perfect barrier when dealing with liquids and gasses.
Select the correct answer form the code given below:

[A] 1 only

[B] 2 only

[C] Both 1 and 2

[D] Neither 1 nor 2

Answer: C
Notes:

Explanation –

Statement 1 and 2 are correct. Graphene is the thinnest, most electrically and thermally conductive material in the world. Graphene oxide membranes are capable of forming a perfect barrier when dealing with liquids and gasses.

Source: ForumIAS