Percentage of lead in a modern lead pencil is:
[EAMCET - 95 M]

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10%

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50%

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25%

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Solution

The correct option is A 0%
The percentage is 0%. "Lead" in this case is a misnomer. Pencil "Lead" is made of graphite (an allotrope of carbon) and different levels of clay to control hardness.

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Percentage of lead in lead pencils is:

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