UPSC CDS 2 2021 GK Paper
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Question : 108 of 120
Marks:
+1,
-0
Which of the following carbon allotropes is/are good conductor(s) of electricity?
1. Diamond
2. Graphite
3. Fullerene
Select the correct using the codes given below.
1. Diamond
2. Graphite
3. Fullerene
Select the correct using the codes given below.
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