Home
Class 12
CHEMISTRY
A flux is often added to remove impurit...

A flux is often added to remove impurities from a concentrated ore. In the reaction
`CaO + SiO_(2) rarr CaSiO_(3)`
the slag and the flux are

A

`CaSiO_3`and `SiO_2`

B

`CaSiO_3` and CaO

C

CaO and `SiO_2`

D

`SiO_2` and `CaSiO_3`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • METALLURGY

    MOTION|Exercise EXERCISE 2 (LEVEL - I)|70 Videos

  • METALLURGY

    MOTION|Exercise EXERCISE 2 (LEVEL - II)|37 Videos

  • METALLURGY

    MOTION|Exercise EXERCISE 4 (LEVEL - II)|17 Videos

  • LIQUID SOLUTION

    MOTION|Exercise EXERCISE-4 (Level-II) PREVIOUS YEAR JEE ADVANCED|19 Videos

  • MOLE CONCEPT

    MOTION|Exercise EXERCISE - 4 LEVEL - II|13 Videos

Similar Questions

Explore conceptually related problems

Name the flux to remove the impurity of SiO_(2)

For the reaction, CaCO_(3)(s) rarr CaO(s)+CO_(2)(g) , which is the correct representation?

How mant reaction can show slag formation process from the given reaction ? (i) SiO_(2) + CaO rarr CaSiO_(3) (ii) FeO + SiO_(2) rarr FeSiO_(3) (iii) CaO + P_(2)O_(5) rarr Ca_(3)(PO_(4))_(2) (iv) Cr_(2)O_(3) + 2Al rarr Al_(2)O_(3) + 2Cr (v) MgCO_(3) + SiO_(2) rarr MgSiO_(3) + CO_(2) .

Balance the following chemical equations and identify the type of chemical reaction. CaO(s) +SiO_(2)(s) to CaSiO_(3)(s)

In coal, pyrites (FeS_(2)) is present as a pollution-causing impurity, which is removed by combustion. 2FeS_(2) + 5O_(2) rarr 4SO_(2) + 2FeO . A process designed to remove orgainc sulphur from coal prior to combustion involves the reaction. X - S - Y + 2NaOH rarr X - O - Y + Na_(2)S + H_(2) O CaCO_(3) rarr CaO + CO_(2) Na_(2)S + CO_(2) + H_(2)O rarr Na_(2) CO_(3) + H_(2) S CaO + H_(2)O rarr Ca (OH)_(2) Na_(2) CO_(3) + Ca(OH)_(2) rarr CaCO_(3) + 2NaOH In the processing in 320 metric tons of a coal having 1.0% sulphur content, how much limestone (CaCO_(3)) must be edecomposed to provied enough Ca (OH)_(2) to regenerate the NaOH used in the original leaching step?

Identity the endothermic and exothermic reaction. CaCO_(3(s)) overset(Delta)rarr CaO_((s))+CO_(2) uarr

MOTION-METALLURGY-EXERCISE 1
  1. Which of the following curves assures that the metal obtained by carbo...

    Text Solution

    |

  2. Which of the following activities is not related to poling ?

    Text Solution

    |

  3. The purest variety of iron is called

    Text Solution

    |

  4. The Elingham diagram (Fig.) represents the formation of oxides of seve...

    Text Solution

    |

  5. The Elingham diagram (Fig.) represents the formation of oxides of seve...

    Text Solution

    |

  6. The slag obtained during the extraction of copper from coper pyrites i...

    Text Solution

    |

  7. A reaction showing slag formation is .

    Text Solution

    |

  8. In the metallurgy of iron, when limestone is added to the blast furnac...

    Text Solution

    |

  9. A flux is often added to remove impurities from a concentrated ore. ...

    Text Solution

    |

  10. Tin and lead can be refined by

    Text Solution

    |

  11. Refining of silver is done by :

    Text Solution

    |

  12. CO on passing over heated nickel gives

    Text Solution

    |

  13. (xiii) Which process represents the change, Ti + 2I(2) rarr TiI(4) r...

    Text Solution

    |

  14. Purification of Silicon element used in semiconductors is done by .

    Text Solution

    |

  15. Mond's process is used for

    Text Solution

    |

  16. In the Hoope’s process for refining of aluminium, the fused materials ...

    Text Solution

    |

  17. The oxidation numbers of Fe and S in iron pyrites are

    Text Solution

    |

  18. Extraction of zinc from zinc blende is achieved by:

    Text Solution

    |

  19. Oxidation states of the metal in the minerals haematite and magnetite,...

    Text Solution

    |

  20. In the extraction of nickel of Mond's process, the metal is obtained b...

    Text Solution

    |