Home
Class 11
CHEMISTRY
Why is graphite used as a dry lubricant ...

Why is graphite used as a dry lubricant in machinery ?

A

Each carbon atom undergoes `sp^(3)` hybridization in graphite

B

Graphite has layered structure and it cleaves easily between the layers and therefore it is very soft and slippery

C

Graphite is a non-conductor of electricity

D

Graphite has two sigma bonds and two pi bonds

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • STATES OF MATTER (SOLID STATE)

    OP TANDON|Exercise Objective Questions (Level-B)|26 Videos

  • STATES OF MATTER (SOLID STATE)

    OP TANDON|Exercise Asertion-Reason type Questions|7 Videos

  • STATES OF MATTER (SOLID STATE)

    OP TANDON|Exercise Practice Problems|20 Videos

  • STATES OF MATTER (GASES AND LIQUIDS)

    OP TANDON|Exercise Self Assess,ent|28 Videos

  • THE COLLOIDAL STATE

    OP TANDON|Exercise Self Assessment|21 Videos

Similar Questions

Explore conceptually related problems

A solid element X has four elecrtrons in the outermost shell of its tom .An allotrope Y of this element is used as a dry lubricant in machinery and also in making pencil leads . (a) What is element X? (b) Name the allotrope Y. (c ) State whether allotrope Y is a good conductor or non- conductor of electricty . (d) Name one use of allotrope Y (opther than lubrication and pencil leads) (e) Name two other allotropes of element X.

Graphite is used as a lubricant. Explain.

Graphite is used as lubricant due to

How does graphite act as a lubricant?

Why is graphite used as a maJor component in pencil lead?

OP TANDON-STATES OF MATTER (SOLID STATE)-OBJECTIVE QUESTIONS (LEVEL -A)
  1. Which of the following exists as covalent crystals in the solid state?

    Text Solution

    |

  2. Experimentally it was found that a metal oxide in formula M(0.98)O. Me...

    Text Solution

    |

  3. Why is graphite used as a dry lubricant in machinery ?

    Text Solution

    |

  4. Sodium metal crystllizes in a body centred cubic lattice with a unit c...

    Text Solution

    |

  5. Which of the following compounds is metallic and ferromagnetic ?

    Text Solution

    |

  6. A metal crystallises in a face centred cubic structure. If the edge le...

    Text Solution

    |

  7. Cations are present in the interstitial sites in …………… .

    Text Solution

    |

  8. If a metal crystallises in a face-centred cubic structure with metalli...

    Text Solution

    |

  9. In a face centred cubic lattice unit cell is shared equally by how man...

    Text Solution

    |

  10. In face centred cubic structure, the octahedral voids are located at :

    Text Solution

    |

  11. Crystalline solids have :

    Text Solution

    |

  12. In the unit cell of NaCl, which of the following statements are correc...

    Text Solution

    |

  13. In which of the following solids, cations occupy tetrahedral voids ?

    Text Solution

    |

  14. In which of the following type of solids, the coordination number and ...

    Text Solution

    |

  15. Which of the following statements are correct about the diamagnetic so...

    Text Solution

    |

  16. Which of the following is/are correct about the point defects ?

    Text Solution

    |

  17. Which of the following informations are correct about CsCl ?

    Text Solution

    |

  18. Sodium oxide Na(2)O is a crystalline solid. It has :

    Text Solution

    |

  19. Which are not true about the amorphous solids ?

    Text Solution

    |

  20. Superconductors are technologically and commercially important substan...

    Text Solution

    |