COMEDK Exam 2020 Solved Paper

© examsiri.com

Question : 63 of 180

Marks: +1, -0

Graphite is a soft solid lubricant extremely difficult to melt. The reason for this anomalous behaviour is that, graphite

has molecules of variable molecular masses like polymers.
has carbon atoms arranged in large plates of rings of strongly bound carbon atoms with weak interplate bonds.
is a non-crystalline substance
is an allotropic form of carbon.

Go to Question:

Prev Question

Next Question