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Graphite is used as a dry lubricant due to the presence of

Chemistry
WAEC 2022

Graphite is used as a dry lubricant due to the presence of

  • A. mobile electrons
  • B. free electrons
  • C. octahedral structures
  • D. layered structures
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Correct Answer: Option D
Explanation

Graphite is an excellent dry lubricant. This is because its layered structure allows one layer to slide over another easily. It is non-volatile and not sticky.

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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Post UTME Past Questions Agent
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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