Statement I : Graphite is used as a lubricantStatement II : Graphite has a layer like structure and the attractive forces between layers are weak
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a
Both Statement I and Statement II are true
b
Statement I is true and Statement II is false
c
Statement I is false and Statement II is true
d
Both Statement I and Statement II are false
answer is A.
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Detailed Solution
Graphite has layer like structure , the adjacent layers are held by weak vanderwaals forces of attractionsHence one layer slips over the other layer. Due to this slippery nature of graphite, it is used as lubricant