Home
Class 12
CHEMISTRY
With an example, explain roasting....

With an example, explain roasting.

Promotional Banner

Topper's Solved these Questions

  • PREVIOUS YEAR QUESTION 2016

    USHA PUBLICATION|Exercise PREVIOUS YEAR QUESTION |45 Videos

  • PREVIOUS YEAR QUESTION 2020

    USHA PUBLICATION|Exercise PREVIOUS YEAR QUESTION |42 Videos

Similar Questions

Explore conceptually related problems

With the help of a suitable example explain the meaning of resonance.

What is roasting?

Give the meaning of the following terms with examples: Roasting

Write a note on calcination and roasting.

USHA PUBLICATION-PREVIOUS YEAR QUESTION 2018-PREVIOUS YEAR QUESTION
  1. Between formaldehyde and acetaldehyde which gives Cannizzaro's reactio...

    Text Solution

    |

  2. What is the molarity of 10% (w/v) NaOH solution?

    Text Solution

    |

  3. With an example, explain roasting.

    Text Solution

    |

  4. 50 ml ofN/10 NaOH. solution, 100 ml of N/5NaOH solution and 500ml of N...

    Text Solution

    |

  5. Explain why HCl is a gas and HF is a liquid at room temperature.

    Text Solution

    |

  6. How can you convert ethanol to ethene ?

    Text Solution

    |

  7. What are tranquilizers? Give two examples.

    Text Solution

    |

  8. Prove that for a 1st order reaction, the time taken for 99% completion...

    Text Solution

    |

  9. What happens when calcium açetate is dry distilled ?

    Text Solution

    |

  10. Give two difference between crystalline and amorphous solids.

    Text Solution

    |

  11. What are antibiotics? Writedown the name of two antibiotics.

    Text Solution

    |

  12. Write the IUPAC name of the compounds. [Fe(CO)5]

    Text Solution

    |

  13. Differentiate between multimolecular and macromolecular colloids.

    Text Solution

    |

  14. Boiling point of water is 100^@C. Calculate the boiling point of an aq...

    Text Solution

    |

  15. What is lanthanide contraction? Write any two of its consequences.

    Text Solution

    |

  16. FeSO4, solution mixed with (NH4)2SO4, solution in 1:1 molar ratio give...

    Text Solution

    |

  17. Why phenol is acidic in nature ?

    Text Solution

    |

  18. Explain the Hofnann bromamide reaction with one example.

    Text Solution

    |

  19. What are addition and condensation polymerisation? Give one example of...

    Text Solution

    |

  20. What is a semiconductor? What aren-type and p-type semiconductors?

    Text Solution

    |