Lead_________________?
Correct answer: D. Cannot be work hardened
- A. Is the hardest metal in common use
- B. Is the lightest metal in common use
- C. Cannot be scratched by finger nails
- D. Cannot be work hardened
Explanation
Lead is exceptionally soft and does not significantly undergo work hardening during deformation. It can also be scratched by a fingernail, so option c is false.
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