Why is lead used in pencils even though lead is poisonous?
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Answer:
You can get lead poisoning if you're stuck with a lead pencil. Lead pencils contain graphite (a form of carbon), not lead
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This may come as a shock to some people but lead pencils do not contain any lead. The “lead” actually is a mixture of graphite and clay; the more graphite, the softer and darker the point.
Explanation-
- Lead pencils contain graphite (a form of carbon), not lead. In fact, contrary to what many people believe, lead pencils never were made with lead. The ancient Romans used a writing device called a stylus. Instead, blocks of graphite were sawed into sticks to be used as writing implements.
- There is no risk of lead poisoning if you stab yourself (or someone else) with a pencil because it contains no lead — just a mixture of clay and graphite. Still, pencil wounds carry a risk of infection for the stabees, lawsuits for stabbers.
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