Home
Class 10
CHEMISTRY
What happens when (a) ZnCO(3) is heate...

What happens when
(a) `ZnCO_(3)` is heated in the absence of oxygen ?
(b) a mixture of `Cu_(2)O and Cu_(2)S` is heated ?

Promotional Banner

Topper's Solved these Questions

  • METALS AND NON-METALS

    LAKHMIR SINGH & MANJIT KAUR|Exercise Long Answer Type Question|1 Videos

  • METALS AND NON-METALS

    LAKHMIR SINGH & MANJIT KAUR|Exercise Short Answer Type Qustions|1 Videos

  • METALS AND NON-METALS

    LAKHMIR SINGH & MANJIT KAUR|Exercise Solved Problem|1 Videos

  • CHEMICAL REACTIONS AND EQUATIONS

    LAKHMIR SINGH & MANJIT KAUR|Exercise QUESTIONS BASED ON HIGH ORDER THINKING SKILLS (HOTS)|1 Videos

  • PERIODIC CLASSIFICATION OF ELEMENTS

    LAKHMIR SINGH & MANJIT KAUR|Exercise VERY SHORT ANSWER TYPE|6 Videos

Similar Questions

Explore conceptually related problems

On heating a mixture of Cu_(2)O and Cu_(2)S , we get

Heating mixture of Cu_(2)O and Cu_(2)S will give

Heating mixture of Cu_(2)O and Cu_(2)S will give

On hanting a mixture of Cu_(2)O and Cu_(2)S , we get :

What happens when H_2PO_3 is heated?

LAKHMIR SINGH & MANJIT KAUR-METALS AND NON-METALS-Exercise
  1. (a) name an alloy of copper. State its chemical composition and ay one...

    Text Solution

    |

  2. (a) How does the painting of an iron object prevent its rusting? (b)...

    Text Solution

    |

  3. What happens when (a) ZnCO(3) is heated in the absence of oxygen ? ...

    Text Solution

    |

  4. (a) For the reduction of a metal oxide, suggest a reducing agent other...

    Text Solution

    |

  5. (a) Name the chemical compound which is electrolysed in molten state t...

    Text Solution

    |

  6. (a). Name two metals which are found in nature mainly in the free stat...

    Text Solution

    |

  7. (a) What is the difference betwee a mineral and an ore? (b) Which me...

    Text Solution

    |

  8. (a) Name the metal which is extracted from haematite ore. (b) Name o...

    Text Solution

    |

  9. (a) Which metal is extracted from bauxite ore ? (b) Give the name of...

    Text Solution

    |

  10. (a) Name the metal which is extracted from the ore called 'rock salt' ...

    Text Solution

    |

  11. (a) Which metal is extracted from calamine ore ? (b) Name one ore of...

    Text Solution

    |

  12. An ore of manganese metal is:

    Text Solution

    |

  13. Which of the following is not an ore of Iron ?

    Text Solution

    |

  14. The metal which can be extracted from the bauxite ore is:

    Text Solution

    |

  15. The two metals which can be extracted just by heating their sulphides ...

    Text Solution

    |

  16. A common metal which is highly resistant to corrosion is :

    Text Solution

    |

  17. An important ore of zinc metal is:

    Text Solution

    |

  18. The chief ore of aluminium is

    Text Solution

    |

  19. The two metals which are extracted by means of electrolytic reduction ...

    Text Solution

    |

  20. Stainless steel is very useful material for our life. In stainless ste...

    Text Solution

    |