Home
Class 12
CHEMISTRY
In the following questions two or more o...

In the following questions two or more options may be correct. Which of the following options are correct ?

A

Cast iron is obtained by remelting pig iron with scrap iron and coke using hot air blast.

B

In extraction of silver, silver is extracted as cationic complex.

C

Nickel is purified by zone refining.

D

Zr and Ti are purified by van Arkel method.

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    MODERN PUBLICATION|Exercise EXERCISE|303 Videos

  • ELECTROCHEMISTRY

    MODERN PUBLICATION|Exercise EXERCISE|529 Videos

  • HALOALKANES AND HALOARENES

    MODERN PUBLICATION|Exercise EXERCISE|978 Videos

Similar Questions

Explore conceptually related problems

Which of the following option is correct ?

In the following questions two or more options may be correct. Which of the following polymers, need atleast one diene monomer for their preparation?

In the following questions two or more options may be correct. If chlorine gas is passed through hot NaOH solution, two changes are observed in the oxidation number of chlorine during the reaction. These are _________ and__________ .

In the following questions two or more options may be correct. Atomic number of Mn, Fe and Co are 25, 26 and 27 respectively. Which of the following inner orbital octahedral complex ions are diamagnetic ?

In the following questions two or more options may be correct. Rate law cannot be determined from balanced chemical equation if _______ .

Choose the correct option- Which of the following is Rabi crop-

Choose the correct option- Which of the following is kharif crop-

Multiple choice questions : Which of the following is correct ?

Multiple choice questions : Which of the following is correct ?

Which one of the following options shows correct matching pair?

MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
  1. Answer the question on the basis of figure given below : For the r...

    Text Solution

    |

  2. In the following questions two or more options may be correct. At the ...

    Text Solution

    |

  3. In the following questions two or more options may be correct. Which o...

    Text Solution

    |

  4. In the extraction of aluminium by Hall-Heroult process, purified Al2O3...

    Text Solution

    |

  5. Which of the following statements is correct ?

    Text Solution

    |

  6. In the Froth Floatation process, zinc sulphide and lead sulphide can b...

    Text Solution

    |

  7. Common impurities present in bauxite are .

    Text Solution

    |

  8. Which of the following ores are concentrated by froth floation ?

    Text Solution

    |

  9. Which of the following reactions occur during calcination?

    Text Solution

    |

  10. For the metallurgical process of the ores calcined ore can be reduced ...

    Text Solution

    |

  11. The main reactions occurring in blast furnace during extraction of iro...

    Text Solution

    |

  12. In which of the following method of purification, metal is converted t...

    Text Solution

    |

  13. Which of the following statements are correct ?

    Text Solution

    |

  14. Give the preparation of chlorine.

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  20. In the following questions a statement of assertion followed by a stat...

    Text Solution

    |