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Allotropes of Carbon
1. Bituminous is a common type of _____________
a) calcium
b) borax
c) coal
d) coke
Answer: coal
2. Wood Charcoal is an allotrope of _____________
a) carbon
b) silicon
c) nitrogen
d) germanium
Answer: carbon
3. Bone black is used in the manufacture of pyridine.
a) True
b) False
Answer: True
4. Which of the following is an amorphous allotrope of carbon?
a) Diamond
b) Fullerenes
c) Graphite
d) Lampblack
Answer: Lampblack
5. Carbon black is the same as coke.
a) False
b) True
Answer: False
6. Which of the following allotropes of carbon are hard in nature?
a) Charcoal
b) Diamond
c) Graphite
d) Fullerenes
Answer: Diamond
7. Which of the following is known as the Black lead?
a) Charcoal
b) Diamond
c) Graphite
d) Fullerenes
Answer: Graphite
8. Which of the following is the chemical formula of fullerenes?
a) C0
b) C6
c) C
d) C60
Answer: C60
9. Half many five-membered rings are there in fullerenes?
a) 34
b) 15
c) 12
d) 10
Answer: 12
10. What is the suspension of graphite in water known as?
a) Gaseous bag
b) Aqua Dag
c) Oil Dag
d) Liquid Dag
Answer: Aqua Dag