Home
Class 12
CHEMISTRY
Match the items of Column I with the ite...

Match the items of Column I with the items of Column II and
assign the correct code:
`{:(ColumnI,ColumnII),((A)"Sapphire",(1)Al_(2)O_(3)),((B)"Sphalerite",(2)NaCN),((C)"Depresant",(3)Co),((D)"Corundum",(4)ZnS),(,(5)Fe_(2)O_(3)):}`

A

A (3) B (4) C (2) D (1)

B

A (5) B (4) C (3) D (2)

C

A (2) B (3) C (4) D (5)

D

A (1) B (2) C (3) D (4)

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Match the items of Column I with item of Column II and assign the correct code.

Match the items of Column I with item of Column II and assign the correct code.

Match the items of Column I with item of Column II and assign the correct code.

Match the items of Column I with item of Column II and assign the correct code.

Match the items of column I with items of column II and assign the correct code. {:(ColumnI,ColumnII),((A)"Pendulum",(1)"Chrome steel"),((B)"Malachite",(2)"Nickel steel"),((C)"Calamine",(3)Na_(3)AlF_(6)),((D)"Cryolite,(4)CuCO_(3).Cu(OH)_(2)),(,(5)ZnCO_(3)):}

Match the items of Column I with items of Column II and assign the correct code: {:(ColumnI,ColumnII),((A)"Blisterred Cu",(1)"Aluminium"),((B)"Blast furnace",(2)2Cu_(2)O +Cu_(2)S rarr 6Cu +SO_(2)),((C)"Reverberatory furnace",(3)Iron),((D)"Half-Heroult process",(4)FeO +SiO_(2) rarr FeSiO_(3)),(,(5)2Cu_(2)S +3O_(2) rarr 2Cu_(2)O +2SO_(2)):}

Match items of Column I with the items of Column II and assign the correct code: {:(ColumnI,ColumnII),((A)"Cyanide process",(1)"Ultrapure Ge"),((B)"Froth Floatation Process",(2)"Dressing of"ZnS),((C)"Electrolytic reduction",(3)"Extraction of AI"),((D)"Zone refining",(4)"Extraction of AU"),(,(5)"Purification of Ni"):}

Match the items of Column I with the items of Column II and assign the correct code: {:(ColumnI,ColumnII),((A)"Coloured bands",(1)"Zone refining"),((B)"Impure metal to volatile complex",(2)"Fractional distillation"),((C)"Purification of Ge and Si",(3)"Mond process"),((D)"Purification of mercury",(4)"Chromatography"),(,(5)"Liquation"):}

Match the Xenon compounds Column-I with its structure in Column-II and assign the correct code : {:("Column-I","Column-II"),((a)XeF_(4),(i)"pyramidal"),((b)XeF_(6),(ii)" square planar"),((c)XeOF_(4),(iii)" distored octahedral"),((d) XeO_(3),(iv)" square pyramidal"):}

Match the items given in Column-I with those in Column II and select the correct option given below : {:("Column I","Column II"),((a) "Eutrophication",(i)"UV-B radiation"),((B) "Sanitary landfill",(ii)"Deforestation"),((c)"Snow blindness",(iii)"Nutrient enrichment"),((d)"Jhum cultivation",(iv) "Waste disposal"):}

ALLEN-METALLURGY-EXERCISE -04
  1. Why is sulphide ore of copper heated in a furnance after mixing with ...

    Text Solution

    |

  2. Sulphdies ores are converted to oxides before reduction . This is expl...

    Text Solution

    |

  3. Which method is used for refining Zr and Ti ? Explain with equation.

    Text Solution

    |

  4. What should be the considering during the extraction of metal by elect...

    Text Solution

    |

  5. What is the role of flux in metallurgical processes?

    Text Solution

    |

  6. How are metals used as semiconductors refined ? What is the principle ...

    Text Solution

    |

  7. Write down the reaction taking place in blast furnance related to the ...

    Text Solution

    |

  8. Give two requirements for vapour phase refining.

    Text Solution

    |

  9. Write the chemical reactions involved in the process of extraction of ...

    Text Solution

    |

  10. Match the items of column I with items of column II and assign the cor...

    Text Solution

    |

  11. Match the items of Column I with the items of Column II and assign the...

    Text Solution

    |

  12. Match items of Column I with the items of Column II and assign the co...

    Text Solution

    |

  13. Match the items of Column I with the items of Column II and assign t...

    Text Solution

    |

  14. Match the items of Column I with items of Column II and assign the cor...

    Text Solution

    |

  15. Assertion (A) Nickel can be purified by Mond's process. Reason ( R) ...

    Text Solution

    |

  16. Assertion (A) Zirconium can be purified by van Arkel method. Reason...

    Text Solution

    |

  17. Assertion (A) Sulphide ores are concentrated by froth floatation metho...

    Text Solution

    |

  18. Assertion (A) Zone refining method is verty useful for producing semic...

    Text Solution

    |

  19. Assertion (A) Hydrometallurgy involves dissolving the ore in a suitabl...

    Text Solution

    |

  20. Explain the following (a) CO(2) is a better reducing agent below 7...

    Text Solution

    |