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Lubricating properties of graphite are d...

Lubricating properties of graphite are diminished in presence of:

A

High pressure

B

Low pressure

C

Vacuum

D

None

Text Solution

Verified by Experts

The correct Answer is:
C
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  3. Lubricating properties of graphite are diminished in presence of:

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  4. Which do not from amalgam with Hg ?

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  5. High thermal conductivity of metals is due to transfer of heat through...

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  7. An increase in the charge of the positive ions that occupy lattice pos...

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  8. The hardness of metal increases with increase in number of …… involved...

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  9. Which possesses highest lattice energy?

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  10. Each atom in bcc structure has …….. Nearest neighbours.

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  11. The resistance of mercury becomes almost zero at :

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  12. All the substances become diamagnetic at :

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  13. Extremely pure samples of Ge and Si are non-conductors ,but their cond...

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  14. Solids are characterised by their properties :

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  15. A solids having no definite shape is called :

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  16. A solid having no definite geometrical shape with flat faces and sharp...

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  17. The crystals are bounded by plane faces (f), straight edges (e) and in...

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  18. A cubic crystal possesses :

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  19. A cubic crystal possesses in all ……. Elements of symmetry .

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