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Q. |
Which of the following is used as lubricant? |
A. | Graphite |
B. | Silica |
C. | Diamond |
D. | Iron Oxide |
Answer» A. Graphite | |
Explanation: Graphite is used as a lubricant due to its slippery nature. Due to its loosely intact carbon atoms or free electrons, they can move around easily from one place to another, making graphite a good conductor of electricity. |
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