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12th Class Chemistry The Solid State / ठोस प्रावस्था Question Bank 12th CBSE Chemistry The Solid State

  • question_answer
      Why is graphite used as lubricant?

    Answer:

      In graphite carbon atoms are arranged in layers. These layers are held together by weak van der Waals force. Different layers can slide one over the other. This is why graphite is used as solid lubricant.


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