Q: 76 (NDA-II/2012)

Consider the following statements:
1. Diamond is hard and graphite is soft.
2. Diamond is soft and graphite is hard.
3. Diamond is a bad conductor, but graphite is a good conductor.
4. Diamond is a good conductor, but graphite is a bad conductor.
Which of the statement(s) given above is/are correct?
question_subject: 
Science
stats: 
0,328,64,328,32,16,16