Home
Class 9
CHEMISTRY
A diamond knife is quite often used for ...

A diamond knife is quite often used for cutting glass. Why ?

Text Solution

Verified by Experts

Diamond is probably the hardest substance known. Therefore, a knife made from a special type of diamond is used for cutting glass.
Promotional Banner

Topper's Solved these Questions

  • IS MATTER AROUND US PURE

    DINESH PUBLICATION|Exercise Short Answer Questions|58 Videos

  • IS MATTER AROUND US PURE

    DINESH PUBLICATION|Exercise Long Answer Questions|34 Videos

  • IS MATTER AROUND US PURE

    DINESH PUBLICATION|Exercise N.C.E.R.T|20 Videos

  • ATOMS AND MOLECULES

    DINESH PUBLICATION|Exercise LONG ANSWER QUESTIONS|24 Videos

  • MATTER IN OUR SURROUNDINGS

    DINESH PUBLICATION|Exercise (LAQs) Long Answer Questions|5 Videos

Similar Questions

Explore conceptually related problems

Artifical gem used for cutting glass is

Which of the following is correct regarding diamond? (i) Diamond is covalent, yet it has high melting point. (ii) It used for cutting glass, making borers for rock drilling, and for making abrasives. (iii) It is used for making precious gems and jewellery. (iv) It is used for making fies for drawing this wires from metals.

A mole is quite often called chemist's dozen. Explain.

A cut diamond sparkles because of its

A cut diamond sparkles because of its

A shining thick liquid is often used in glass thermometers. Name it.

DINESH PUBLICATION-IS MATTER AROUND US PURE-Very Short Answer Questions
  1. A shining thick liquid is often used in glass thermometers. Name it.

    Text Solution

    |

  2. Name two metals which are both malleable and ductile.

    Text Solution

    |

  3. A diamond knife is quite often used for cutting glass. Why ?

    Text Solution

    |

  4. How will check the purity of a pure chemical compound in the solid sta...

    Text Solution

    |

  5. A hard substance when bent produces a tinkling sound. Predict its natu...

    Text Solution

    |

  6. Give one test to show that brass is a mixture and not a compound.

    Text Solution

    |

  7. To the already prepared solution of a solute 'A' prepared in water, a ...

    Text Solution

    |

  8. What is the range of the size of the particles of dispersed phase in a...

    Text Solution

    |

  9. When a beam of light was passed through the solution of a substance 'A...

    Text Solution

    |

  10. What will happen if a colloidal solution of sulphur is centrifuged in ...

    Text Solution

    |

  11. How will you justify that rusting of iron is a chemical change ?

    Text Solution

    |

  12. Why do not the dispersed phase particles in a colloidal solution combi...

    Text Solution

    |

  13. What are the units of mass percent ?

    Text Solution

    |

  14. What is the nature the solution formed by mixing mustard oil and water...

    Text Solution

    |

  15. Give one example of the colloidal solution in which solid acts as the ...

    Text Solution

    |

  16. Name two compounds which sublime on heating.

    Text Solution

    |

  17. You are provided with a mixture of carbon tetrachloride and water. How...

    Text Solution

    |

  18. Give one example of (a) solution of a gas in a liquid (b) solution of ...

    Text Solution

    |

  19. What is dispersed phase and dispersion medium in a colloid ?

    Text Solution

    |

  20. What happens when a saturated solution of sodium chloride prepared at ...

    Text Solution

    |