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MCQ Science and Technology Class 9 Chapter 13 Maharashtra Board

Carbon : An important element

1. Why is diamond a bad conductor of electricity?

Question 1 of 20

2. What is a use of diamond in eye surgery?

Question 2 of 20

3. Where is graphite found in India?

Question 3 of 20

4. What is the structure of graphite composed of?

Question 4 of 20

5. Why is graphite a good conductor of electricity?

Question 5 of 20

6. What is the density range of graphite?

Question 6 of 20

7. What is a use of graphite in writing?

Question 7 of 20

8. Which allotrope of carbon is named after Richard Buckminster Fuller?

Question 8 of 20

9. Who received the Nobel Prize in 1996 for the discovery of fullerene?

Question 9 of 20

10. In what form are fullerene molecules found?

Question 10 of 20

11. What is a use of fullerene?

Question 11 of 20

12. Which of the following is a non-crystalline form of carbon?

Question 12 of 20

13. Which type of coal contains less than 60% carbon?

Question 13 of 20

14. Which type of coal is considered the purest form?

Question 14 of 20

15. What is charcoal made from when derived from animals?

Question 15 of 20

16. What is a use of coke?

Question 16 of 20

17. What are hydrocarbons?

Question 17 of 20

18. How many covalent bonds can a carbon atom form?

Question 18 of 20

19. What is the molecular formula of methane?

Question 19 of 20

20. Which type of hydrocarbons have only single bonds between carbon atoms?

Question 20 of 20

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