Home
Class 8
CHEMISTRY
Explain the occurrence of metals in natu...

Explain the occurrence of metals in nature.

Promotional Banner

Topper's Solved these Questions

  • COMBUSTION AND FLAME

    MBD|Exercise EXAMPLE|63 Videos

  • POLLUTION OF AIR AND WATER

    MBD|Exercise EXAMPLE|74 Videos

Similar Questions

Explore conceptually related problems

Explain the reaction of metals with water?

Give the occurrence of cell wall.

Explain the reactivity series of metals

Give the site of occurrence of meiosis.

Explain the nature of sporophylls in pteriodophytes.

What is the nature of metal oxides?

Explain the reason that why Monel metal is not a metal?

MBD-MATERIALS: METALS AND NON-METALS-EXAMPLE
  1. Explain the following: Acidic oxides

    Text Solution

    |

  2. Explain the following: Basic ocides

    Text Solution

    |

  3. Explain the occurrence of metals in nature.

    Text Solution

    |

  4. What do you understand by ductility and malleability of a metal? Give ...

    Text Solution

    |

  5. Silver does not combine easily with oxygen but silver jewellery tarnis...

    Text Solution

    |

  6. Why do gold ornaments look new even after several years of use?

    Text Solution

    |

  7. Magnesium and copper metals are heated directly over a flame. Which of...

    Text Solution

    |

  8. CuSO4 + Fe rarr FeSO4 +Cu feSO4 + Zn rarr ZnSO4 + Fe br> On the basi...

    Text Solution

    |

  9. Why are pickles, chutney and citrus fruits not stored in iron and alum...

    Text Solution

    |

  10. what happen when a piece of zinc is added to copper sulphate solution?

    Text Solution

    |

  11. Can copper displace iron from iron sulphate solution? Give reasons.

    Text Solution

    |

  12. Why does aluminium vessel lose its lusture after sometime?

    Text Solution

    |

  13. Why aluminium metal is preferred to copper for making cooking utensils...

    Text Solution

    |

  14. What is corrosion? What are the different ways to reduce corrosion?

    Text Solution

    |

  15. In which atomic model electrons in the ground state are in stable equi...

    Text Solution

    |

  16. Does copper rust? What will happen if copper is exposed to moist air?

    Text Solution

    |

  17. Give reasons for the following: Aluminium is used in making parts of ...

    Text Solution

    |

  18. Give reasons for the following: Copper is used in making electric wir...

    Text Solution

    |

  19. Give reasons for the following: Silver is used in making mirrors.

    Text Solution

    |

  20. Give reasons for the following: Graphite is used as an electrode in t...

    Text Solution

    |