Home
Class 10
CHEMISTRY
Silver ornaments or idols exposed to air...

Silver ornaments or idols exposed to air for a long time.

Promotional Banner

Topper's Solved these Questions

  • METALLURGY

    NAVNEET PUBLICATION|Exercise EXERCISE|265 Videos

  • CHEMICAL REACTIONS AND EQUATIONS

    NAVNEET PUBLICATION|Exercise EXERCISE|241 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    NAVNEET PUBLICATION|Exercise EXERCISE|208 Videos

Similar Questions

Explore conceptually related problems

The shining surface of some metals becomes dull when exposed to air for a long time.

Give scientific reasons: When copper articles exposed to air for a long time, gets corroded.

Give scientific reasons for the following: Copper vessels turn greenish and silver articles turn blackish when kept open in air for a long time.

Fill in the blanks When oil and fats are oxidised or even allowed to stand in air for a long time, they become .......

State whether the following statements are true or false. When oils and fats are allowed to stand for a long time, they become rancid.

Give scientific reasons: When silver vessels exposed to air turns blackish after sometime.

Explain the following: Why do silver articles turn balckish while copper vessels turn greenish on keeping in air for a long time?

Give reasons : We cannot stand at one place for a long time . How can we sleep on a place for 8 and odd hours ?

Have you observed the following things ? Copper vessels not cleaned for a long time .

Foam accumulates on the surface of 'dal' kept for a long time in summer.

NAVNEET PUBLICATION-METALLURGY-EXERCISE
  1. Silver ornaments or idols exposed to air for a long time.

    Text Solution

    |

  2. has the highest melting point.

    Text Solution

    |

  3. Fill in the blanks : Mercury and ………… are two metals in the liquid s...

    Text Solution

    |

  4. is the hardest natural subtance.

    Text Solution

    |

  5. Fill in the blanks : The natural occurring compounds of metals along...

    Text Solution

    |

  6. State whether the following statements are true or false, correct the ...

    Text Solution

    |

  7. Fill in the blanks : An ore contains some of the impurities like soi...

    Text Solution

    |

  8. Fill in the blanks : The process of extraction of a metal from its or...

    Text Solution

    |

  9. Fill in the blanks : Bauxite is a common ore of…………..

    Text Solution

    |

  10. Fill in the blanks : …………. process is used for the purification of b...

    Text Solution

    |

  11. Fill in the blanks : During the electrolysis of alumina ,………….. Is li...

    Text Solution

    |

  12. Fill in the blanks : The reaction of iron oxide with aluminium is kn...

    Text Solution

    |

  13. Fill in the blanks : The process of coating a thin layer of zinc on i...

    Text Solution

    |

  14. Fill in the blanks : The metal that produces a sound on striking a h...

    Text Solution

    |

  15. Fill in the blanks : The process in which carbonate ores are changed...

    Text Solution

    |

  16. Fill in the blanks : …………………. Compounds are insoluble in solvents lik...

    Text Solution

    |

  17. Fill in the blanks : ………….. Is used to obtain pure metals from impure...

    Text Solution

    |

  18. Fill in the blanks : Corrosion can be prevented by putting a layer o...

    Text Solution

    |

  19. Choose the correct alternative and write it along with its allotted al...

    Text Solution

    |

  20. Choose the correct alternative and write it along with its allotted al...

    Text Solution

    |

  21. Choose the correct alternative and write it along with its allotted al...

    Text Solution

    |