Home
Class 12
CHEMISTRY
What are coinage metals ? Give example ....

What are coinage metals ? Give example .

Text Solution

Verified by Experts

Copper, silver and gold are called coinage metals because in the early times,they were used in making coins.
Promotional Banner

Topper's Solved these Questions

  • D- AND F-BLOCK ELEMENTS

    PRADEEP|Exercise ADDITIONAL QUESTIONS (SHORT ANSWER QUESTIONS )|34 Videos

  • D- AND F-BLOCK ELEMENTS

    PRADEEP|Exercise ADDITIONAL QUESTIONS (LONG ANSWER QUESTIONS)|12 Videos

  • D- AND F-BLOCK ELEMENTS

    PRADEEP|Exercise LONG ANSWER QUESTIONS|8 Videos

  • CORDINATION COMPOUNDS

    PRADEEP|Exercise Important Questions|28 Videos

  • ELECTROCHEMISTRY

    PRADEEP|Exercise IMPORTANT QUESTIONS FOR BOARD EXAMINATION|25 Videos

Similar Questions

Explore conceptually related problems

What are active metals? Give examples with equations.

Coinage metals are

What are macromolecules ? Give examples .

What are macromolecules ? Give examples.

What are saprobionts ? Give examples .

What are coenzymes ? Give example.

What are hallucinogens? Give an example.

PRADEEP-D- AND F-BLOCK ELEMENTS-ADDITIONAL QUESTIONS (VERY SHORT ANSWER QUESTIONS)
  1. Which elements are called ferrous metals ?

    Text Solution

    |

  2. How many of the transition elements are called Platinum metals.

    Text Solution

    |

  3. What are coinage metals ? Give example .

    Text Solution

    |

  4. Write the formula of an oxo-anion of chromium (Cr) in which it shows t...

    Text Solution

    |

  5. What happends when chromates are kept in acidic solution and dichromat...

    Text Solution

    |

  6. Complete the following reaction : (NH(4))(2) Cr(2)O(7) overset("Heat...

    Text Solution

    |

  7. Name one ore each of manganese and chromium.

    Text Solution

    |

  8. What happens when KMnO(4) is heated with conc. H(2)SO(4) or acidified ...

    Text Solution

    |

  9. 1-butyne on reaction with hot alkaline KMnO(4) gives:

    Text Solution

    |

  10. Write ionic reaction for the reaction between MnO(4)^(-) ions and oxa...

    Text Solution

    |

  11. Complete the following: 2MnO4^(-)(aq) + 5H2O2 (aq) to 2Mn^(2+) +...

    Text Solution

    |

  12. Why KMnO(4) is used in cleaning surgical instruments in hospitals ?

    Text Solution

    |

  13. What is the basic difference between the electronic configuration of t...

    Text Solution

    |

  14. Write the electronic configuration of Gadolinium (Z=64) and its most s...

    Text Solution

    |

  15. Which is the most common oxidation state exhibited by lanthanoids ?

    Text Solution

    |

  16. What is meant by 'lanthanoid contraction'?

    Text Solution

    |

  17. Why is the separation of lanthanide elements difficult?

    Text Solution

    |

  18. Explain why lanthanoids are paramagnetic in nature ?

    Text Solution

    |

  19. Write any two uses of pyrophoric alloys.

    Text Solution

    |

  20. Give the general electronic configuration of actinides.

    Text Solution

    |