Home
Class 10
CHEMISTRY
What is cinnbar ? How is a metal extract...

What is cinnbar ? How is a metal extracted from cinnabar ? Explain briefly.

Text Solution

Verified by Experts

Cinnabar is hgS
Mercury is obtained by roasting Cinnabar. HgO formed is thermally unstable and gives Mercury.
`2HgS(s)+O_(2)(g)toHgO(s)+SO_(2)(g)`
`2HgO(s)overset("Heat")(to)Hg(1)+O_(2)(g)`
Mercury can be purified by distillation.
Promotional Banner

Topper's Solved these Questions

  • METALS AND NON-METALS

    CPC CAMBRIDGE PUBLICATION|Exercise UNIT TEST|8 Videos

  • METALS AND NON-METALS

    CPC CAMBRIDGE PUBLICATION|Exercise ADDITIONAL QUESTIONS ( CHOOSE THE CORRECT ANSWER )|10 Videos

  • MARCH - 2019 QUESTION PAPER - 10

    CPC CAMBRIDGE PUBLICATION|Exercise QUESTIONS|40 Videos

  • MOST LIKELY QUESTION PAPER - 9

    CPC CAMBRIDGE PUBLICATION|Exercise QUESTIONS|37 Videos

Similar Questions

Explore conceptually related problems

a) what is cinnabar ? How is metal extracted from cinnabar . b ) Difference between roasting and calculation explain the two with help of suitable chemical equation .

How is boron extracted from borax?

How is lithium extracted from its ore?

How is the aluminium extracted from bauxite.

How does magnesium occur in nature? How is the metal extracted from its Ore?

What is sex determination? Explain briefly XX-XY.

What is multiple fission? How does it occur in an organism? Explain briefly. Name one organism which exhibits this type of reproduction.

The metal extracted by leaching with a cyanide

CPC CAMBRIDGE PUBLICATION-METALS AND NON-METALS-ADDITIONAL QUESTIONS ( Answer the following)
  1. What are noble metals?

    Text Solution

    |

  2. State three reasons for the following facts: a. Sulphur is a non met...

    Text Solution

    |

  3. What is cinnbar ? How is a metal extracted from cinnabar ? Explain bri...

    Text Solution

    |

  4. Give two examples of ore of aluminium?

    Text Solution

    |

  5. Why do potato - chips manufactures fill the packest of chips with nitr...

    Text Solution

    |

  6. What is gangue and what is concentration?

    Text Solution

    |

  7. a. Write electron dot diagram for chlorine (At No. 17) and Calcium (At...

    Text Solution

    |

  8. Identify the nature of above compound and explain three physical prope...

    Text Solution

    |

  9. Give reasons for the following : (i) School bells are made up of met...

    Text Solution

    |

  10. Give reasons for the following : (i) School bells are made up of met...

    Text Solution

    |

  11. What asre amphoteric oxides? Choose the amphoteric oxide from among th...

    Text Solution

    |

  12. Differentiate between roasting and calcination. Explain the two with...

    Text Solution

    |

  13. Name two metals than can be used to reduce metal oxides of metals.

    Text Solution

    |

  14. State reasons for the following: Electric wires are covered with rub...

    Text Solution

    |

  15. Which of the following metals cannot liberate hydrogen from dilute ...

    Text Solution

    |

  16. State reasons for the following: Sulphide ore of a metal is first co...

    Text Solution

    |

  17. Write any four physical properties of metals.

    Text Solution

    |

  18. Give examples of the least reactive metals.

    Text Solution

    |

  19. Sodium and chlorine are poisonous substances but sodium chloride is ed...

    Text Solution

    |

  20. Write balanced equations for the reactions of : (i) Aluminium when h...

    Text Solution

    |