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प्रश्न
Give reasons:
Graphite is used as a lubricant.
Explain why graphite is soft and can be used as a lubricant.
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कारण बताइए
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उत्तर
Graphite has a layered structure and different layers of graphite are bonded to each other by weak van der Waals’ forces. These layers can slide over each other. Graphite is soft and slippery. Therefore, graphite can be used as a lubricant.
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