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Graphite is used as a lubricant in machines because ______. -

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Question

Graphite is used as a lubricant in machines because ______.

Options

  • it is a good conductor of electricity.

  • it has a high melting point and slippery layers.

  • its density ranges from 1.9 to 2.3 g/cm3.

  • it is strong and soft.

MCQ
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Solution

Graphite is used as a lubricant in machines because it has a high melting point and slippery layers.

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