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CDS I 2015
Question #604
Chemistry
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Which one among the following is used in making lead pencils?
A
Charcoal
B
Graphite
C
Coke
D
Carbon black
Pick an option above to test your answer
Reveal Answer ⌄
Subject:
Science & Technology
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Which one among the following is used in making lead pencils? | CDS I 2015 Solved PYQ | UPSCGPT